49 CÂU HỎI
What does this passage mainly discuss?
A. Good nutrition
B. Food with fiber
C. Ways to keep your teeth healthy
D. Fluoridization and cavities
The word “it” refers to_________.
A. dental floss
B. bacteria
C. removal of plaque
D. plaque
According to the passage, all of the following statements about plaque are true EXCEPT_________.
A. It consists of acid producing bacteria
B. It is not affected by eating sweets
C. It can be removed from teeth by brushing and flossing
D. It reduces the positive effect of saliva
We can infer from the passage that one benefit of fluoride to healthy teeth is_________.
A. It strengthens tooth enamel
B. It stimulates saliva production
C. It makes teeth whiter
D. It is a replacement for brushing and flossing in dental care
What can be concluded from the passage about sweets?
A. All sweets should be avoided.
B. Sweets should be eaten with care.
C. It is better to eat sweets a little at a time throughout the day.
D. Sticky sweets are less harmful than other sweets.
The author of the passage states that the amount of acid produced by the bacteria in your saliva increases_________.
A. with the amount of sweets you eat
B. with the number of times you eat sweets
C. if you eat sweets with your meals
D. if you eat sticky sweets
The word "scrape off" is closest in meaning to_________.
A. repel
B. rub together with
C. remove
D. dissolve
According to the passage, in the past, _____.
A. parents had no right to interfere their children's marriage
B. Vietnamese couples were free to make a decision on the marriage
C. getting married at an early age was not allowed
D. Vietnamese marriage was decided by parents and family
In former days, the fact that a bride and groom had only first met just on the day of their engagement or marriage was _________.
A. popular
B. uncommon
C. strange
D. surprising
Which sentence is referred Vietnamese modern marriage?
A. Couples do not get married at quite young ages.
B. Marriage is quite westernization.
C. Most young people do not have their marriage based on love.
D. All marriages are arranged by parents and family.
According to the passage, which of the following is true about the traditional Vietnamese wedding?
A. Brides’ parents decide the date and time of the marriage ceremony.
B. An engagement ceremony is usually taken place half a year or so before the wedding.
C. Oversea Vietnamese people do not like to organize a traditional wedding.
D. Many of the old-aged customs practiced in a traditional Vietnamese wedding have disappeared.
The word “array” in paragraph 3 is closest in meaning to _______.
A. line
B. process
C. group
D. progress
The word “banquet” in paragraph 3 is closest in meaning to _______.
A. buffet
B. big party
C. ceremony
D. small party
According to the passge, which does not exist in a Vietnamese wedding party?
A. guests
B. dishes
C. gifts
D. firecrackers
What does the passage mainly discuss?
A. Types of graduate degrees
B. Jobs on Wall Street
C. Changes in enrollment for MBA schools
D. How schools are changing to reflect the economy
The underlined word “one” in paragraph 2 most likely refers to
A. MBA degree
B. decrease
C. graduate
D. factor
The underlined word “plush” in paragraph 2 is closest in meaning to which of the following?
A. expensive
B. affordable
C. comfortable
D. competitive
Which of the following business schools has NOT shown a decrease in enrollment?
A. Harvard
B. Yale
C. Stanford
D. Princeton
The underlined phrase “the trend of” in paragraph 1 could be best replaced by which of the following?
A. the extraction from
B. the advantage of
C. the movement toward
D. the drawback of
Which of the following descriptions most likely applies to Wall Street?
A. a center for international affairs
B. a neighborhood in New York
C. a major financial center
D. a shopping district
According to the passage, which of the following is a cause of declining business school enrollments?
A. declining population
B. low salary and foreign competition
C. lack of necessity for an MBA
D. fewer MBA schools
The author generally believes that children _____.
A. can learn a great deal from the Net
B. should never be allowed to use the Net
C. should not have unsupervised access to the Net
D. should be allowed to use the Net today
According to the first paragraph, which group is most likely to be worried about children’s use of the Internet?
A. parents
B. teenagers
C. business people
D. People who work in institutions
In chat rooms, _____.
A. people communicate face-to-face
B. people may give a false impression
C. you know who you are talking to
D. parents and children communicate with each other
The expression pass themselves off as in paragraph 2 means ____.
A. look like
B. participate
C. pretend to be
D. contribute
What can we understand about the face-to-face meetings mentioned in paragraph 2?
A. All people in chat groups have them.
B. They may turn out to be harmful to children.
C. They help to communicate better.
D. They give children false information.
The racist and political extreme views mentioned in paragraph 3 are example of _____.
A. what you see on some Internet sites
B. what children think they use the Internet
C. parental intervention
D. the huge amount of information available.
We can understand from the passage that _____.
A. there is not enough supervision on the Internet
B. politicians control the Internet
C. parents should not intervene
D. the Internet leads to criminal activity
It seems that the main point the author is trying to make about the Internet is that it _____.
A. can be dangerous
B. provides unlimited access to information
C. is beneficial
D. should only be used by adults
What does the passage mainly discuss?
A. How the immune system of animals and the defense mechanisms of plants differ
B. How plant defense mechanisms function
C. Theories on active plant defense mechanisms
D. The success of parasites in resisting plant defense mechanisms
The phrase "subject to" in line 1 is closest in meaning to
A. attractive to
B. strengthened by
C. classified by
D. susceptible to
The word "puncture" in line 8 is closest in meaning to
A. surround
B. pinch
C. pierce
D. cover
The word "which" in line 13 refers to
A. barriers
B. tissues
C. substances
D. insects
Which of the following substances does the author mention as NOT necessarily being toxic to the Colorado beetle?
A. Alkaloids
B. Glycosides
C. Resins
D. Tannins
Why does the author mention "glycoproteins" in line 17?
A. To illustrate how chemicals function in plant defense
B. To emphasize the importance of physical barriers in plant defense
C. To compare plant defense mechanisms to the immune system of animals
D. To introduce the discussion of active defense mechanisms in plants
Where in the passage dose the author describe an active plant-defense reaction?
A. Lines 1-3
B. Lines 13-15
C. Lines 19-23
D. Lines 4-6
The passage most probable continues with a discussion of theories on
A. the basis of passage plant defense.
B. the principles of the hypersensitive response.
C. how chemicals inhibit a parasitic relationship.
D. how plants produce toxic chemical.
What does the passage mainly discuss?
A. The information contained in pheromones
B. The mass migration of ants
C. How ants mark and follow a chemical trail
D. Different species of ants around the world
The word “intermittently” in paragraph 1 is closest in meaning to
A. roughly
B. incorrectly
C. rapidly
D. periodically
The phrase “the one” in paragraph 2 refers to a single
A. message
B. food trail
C. dead ant
D. species
According to the passage, why do ants use different compounds a trail pheromones?
A. To reduce their sensitivity to some chemicals
B. To indicate how far away the food is
C. To attract different types of ants
D. To protect their trail from other species
The author mentions the trail pheromone of the leafcutter ant in paragraph 2 to point out
A. a type of ant that is common in many parts of the world
B. how little pheromone is needed to mark a trail
C. the different types of pheromones ants can produce
D. that certain ants can produce up to one milligram of pheromone
According to the passage, how are ants guided by trail pheromones?
A. They sense the vapor through their antennae.
B. They avoid the vapor spaces by moving in a straight line.
C. They concentrate on the smell of food.
D. They follow an ant who is familiar with the trail
According to the passage, the highest amount of pheromone vapor is found
A. in the source of food
B. in the receptors of the ants
C. under the soil along the trail
D. just above the trail
When did the the Pilgrims make a difficult trip to across the ocean from England?
A. in 1863
B. in 1621
C. in 1830
D. in 1620
The Pilgrims immigrated to the New World because _____.
A. They wanted to search for religious freedom.
B. They wanted to be taught how to plant corn.
C. They wanted to have more land to cultivate.
D. They wanted to make a difficult trip.
According to the passage, today’s Thanksgiving _____.
A. is only celebrated in Massachustets
B. is a day on which the Pilgrims eat deer
C. is different from the Pilgrims’s Thanksgiving in many ways
D. is just like the Pilgrims’s Thanksgiving
Which of the following is NOT true about Thanksgiving?
A. It is celebrated on the fourth Thursday on November.
B. It is a day on which Americans celebrate and give thanks.
C. Americans usually have turkey, cranberry sauce and pumpkin pie for this occasion.
D. It became a national holiday thanks to President Lincoln’s 40-year efforts.
The word “they” in paragraph 3 refer to _____.
A. families
B. the Pilgrims
C. thanks
D. the Native Americans