should parents worry if their children are spending
that much time (4) their computers?
4. a)
staring at盯着看 b) glancing at看一眼c)
looking看d) watching观察
obviously; if children are
bent over their computers for hours, (5) in some game, instead of doing their homework, then
something is wrong.
5. a) supposed 假设b)
occupied占领c) interested兴趣 d) absorbed吸引
parents and children could decide
how much use the child should (6) of the internet, and the child should give his or her (7)that it won't interfere 妨碍with
homework.
6. a) do b)
have c make d)
create
固定词组:make use of
sth ----的利用
7. a)
word话语 b) promise许诺
c) vow发誓 d)
claim声称
固定词组: give word=promise