主要通风机必须配备同等能力的备用通风机，在主要通风机因故停止运转时，必须在（）分钟内

如果在“谷歌Google”搜索引擎中输入“用一个声音说话、一体化程度最高”等文字，其指向和对应的国际组织应该是[ ]

A、欧洲联盟

B、世贸组织

C、联合国

D、亚太经合组织

从0、4、5、8、9中选取三个数字组成能被3整除的数．在这些数中最大的是______，最小的是______．

词汇（本题共15小题；每小题1分，满分15分）

A. 请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。

小题1:The loud noise from outside kept me _______ (醒着) all night.  

小题2:Of all the _______ (发明), which do you think is the most useful?

小题3:If you know the right answer, please _______ (move higher) your hand.

小题4:We went _______ (out of a building or room) to see what was happening.

小题5:New Zealand has two islands. One is North Island and the _______ is South Island.

B. 请根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。

小题6:The students took the PISA test in three _______— reading, maths and science.

小题7:Our classroom is not as big as _______, but it’s clean and tidy. 

小题8:The Smiths moved into their new house which is on the _______ floor.

小题9:Body language is the _______ and most powerful language of all!

小题10:You need to explain your idea quite _______ when having a debate (辩论).

C. 请根据句意从方框中选择合适的动词，并用其适当时态填空，使句子通顺。

小题11:Miss Li is a kind teacher and she always _______ to us gently.

小题12:Sally took a photo of her friends while they _______ computer games.

小题13:—Jack, would you like to go with me to see the movie Where Are We Going? 

— It’s an interesting film, but I _______ it. 

小题14:Today is Father’s Day. My mother _______ a special dinner for my grandpa now.

小题15:Without any help, his father _______ to repair the car all by himself at last.

下列做法无助于缩短活动工期的是（）

A.投入更多的资源以加快活动进程

B.减小活动范围或降低活动要求

C.通过改进方法或者技术提高生产率

D.采用甘特图法

当水电解制氢设备出现紧急事故，可直接打开事故放氧门与事故放氢门。