Ⅰ.用所给词的适当形式填空
1.There is no general agreement on a standard (define) of intelligence.
2.Many studies have showed classroom environment has a strong effect on students’ (academy) achievement.
3.Despite his illness,he remained actively (engage) in translating documents.
4.The kids wouldn’t stop talking,and I was beginning to get (annoy) with them.
5.They have been trying to arrive at a (practise) solution to the problem.
6.He was always (optimism),even when things were at their worst.
