图为我国五省区某年人口出生率、人口自然增长率、人口总数的统计图（不计人口的机械增

前排中间效应

完成句子（共10小题；每小题1.5分，满分15分）

阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。

1．Do remember to remind her            (关掉) the gas before she leaves. (turn)

2．Lots of policemen were sent to prevent them            (砍) the trees. (cut)

3．          (为何他们突然消失) then still remains a mystery. (disappear)

4．Giving children whatever they want            (对他们有害). (harmful)

5．I feel so sick. I wish Mum            (没有逼我) to eat so much. (force)

6．These chemical changes produced a chain reaction, which            (使可能) for life to develop. (make)

7．          (如果时间允许), I hope to visit the museum. (permit)

8．The house            (他付了) a large sum of money three years ago is now worth twice as much. (pay)

9．With such a lot of work on hand, he            (不应该去) to the cinema last night. (should)

10．          (他设法) carry out the experiment last year has encouraged his workmates greatly. (manage)

用螺钉紧固机器零件时，通常要在螺帽与零件之间及螺母与零件之间各垫一个较大的垫圈片，使用垫圈片的目的是 [ ]

A．螺钉拧得更紧

B．以防零件的紧固处发生变形

C．减小螺母、螺帽对零件的压力

D．使紧固的零件更美观

法律上的护士不必须具备的条件是（）

A.护理专业技术人员

B.经过考试，取得《护士执业证书》的护士

C.从事临床生活护理工作的护理员

D.被医疗机构聘用并已完成注册的护士

夜间驾驶人对物体的观察明显比白天差，视距如何变化

A．变长

B．变短

C．不变

D．无规律