16 câu hỏi
E-mail, and chat rooms let children (1)______ with friends and family members.
communicate
to communicate
communicating
communicated
They can also allow children(2)______ with people that they have never met in person.
connect
to connect
connecting
connected
Knowing a little about each of these communication services can help parents (3)_____ children safer while online.
save
protect
surround
keep
Through e-mail, (4)______ can easily send and receive messages.
receivers
messengers
users
partners
Signing up for an e-mail account is simple because most services offer them (5)________ free.
by
with
for
in
Sometimes these messages contain viruses, or other inappropriate content, (6)________ parents should warn children to be wary of e-mails from unknown people.
due to
because
however
so
Chat rooms are online hang-out spots (7)_______ anyone can talk about anything…
what
where
when
how
Users often do not know each other in real life, so it is important that parents keep a close eye(8)______ the content of any conversations.
at
about
on
in
The Internet is the world’s (1)________computer network with over 100 million users worldwide…
large
largest
the largest
larger
The Internet is like an (2)_______ highway of information.
nation
national
native
international
Today, from your computer, you can access a library in one country, talk (3)________ an expert on a certain topic in a second country and send your own information to someone doing research in a third.
with
about
to
in
Today, from your computer, you can access a library in one country, talk to an expert on a certain topic in a second country and send your own information to someone doing research in a third. (5)________, we don’t know what will be next in the not-too-distant future.
So
Although
Instead
Because
The Internet was born when scientists attempted (5)_____ the American Defence Network…..
connect
to connect
connecting
connected
The Internet was born when scientists attempted to connect the American Defence Network to other satellite networks in order (6)_______ information.
exchange
to exchange
exchanging
exchanged
Soon, scientific and educational institutions, as well as research departments, became interested in (7)______up
link
to link
linking
linked
You can be connected to the Internet (8)________ through your own Computer…
direct
indirect
directly
indirectly