选择题：The computer was used in teaching. As a result, not only____, but students becam

题目内容：

The computer was used in teaching. As a result, not only____, but students became more interested in the lessons.

A. saved was teachers’ energyB. was teachers’ energy saved

C. teachers’ energy was savedD. was saved teachers’ energy

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台风过境前后,下列做法不正确的是

台风过境前后，下列做法不正确的是A. 台风来临前搬走窗口等处的花盆 B. 大风雨就近在临时建筑物旁躲避C. 台风来临前准备好必要的应急物品 D. 台风中心刚过，仍需留在安全地带

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分类：习题答案题型：选择题

His sister left home in 1998, and _______since.A. has not been heard of B. has not been heard ofC. ha

分类：习题答案题型：选择题

（18分）（选修模块3：现代生物科技专题）请回答下列与哺乳动物精子和卵子发生有关的问题：（1）精细胞经变形后，高尔基体发育形成精子的顶体，顶体内含有的___________ 能协助精子穿过卵母细胞的放射

分类：习题答案题型：选择题

The author uses power walking as an example mainly because _________.A. it is an outdoor sportB. it i

分类：习题答案题型：选择题