1 . You should be ________ —you can’t expect them to finish the task in such a short time.

A．realistic

B．optimistic

C．academic

D．enthusiastic

2 . We return in September for the start of the new ________(academy) year. (所给词的适当形式填空)

3 . Addicted to computer games, Tom can’t concentrate on study, leading to the decline of a______ performance. (根据首字母单词拼写)

4 . 只有当学业负担被全社会重视时它才有可能得到解决。(Only) （汉译英）

5 . Among teenagers and young children, lack of sleep can result in attention disorders and poor a________(学业的)performance.