应急恢复应在()进行。A、事故过程中B、事故后C、事故后一周

题型:单项选择题

问题:

应急恢复应在()进行。

A、事故过程中

B、事故后

C、事故后一周

考点:化学工程高聚合物合成工艺学高聚合物合成工艺学题库
题型:单项选择题

鱼鳍的作用主要是 [ ]

A.支持身体

B.动力器官

C.捕食器官

D.运动器官

题型:单项选择题

阅读下面材料,在空白处填入适当的内容(不多于3 个单词) 或括号内单词的正确形式。

A young and successful manager was travelling down a neighborhood street, going a bit too fast in his new Jaguar, 小题1:a brick hit the door of his Jaguar.

He jumped out of the car, 小题2:(seize) some kid and pushed him up against the parked car, shouting, “That’s 小题3:new car and that brick you threw is going to cost a lot of 小题4:.Why did you do it?” “I’m sorry.I didn’t know what else to do?” begged the youngster.

“It’s my brother,”he said.“ He fell out of his wheelchair and I can’t lift him up.” Sobbing, the boy asked the manager, “小题5:you please help me get 小题6:back into his wheelchair? He 小题7:(hurt), and he’s too heavy for me”.

小题8:(move) beyond words, he lifted the young man back into the wheelchair back and took out his handkercheif and wiped thepes and cuts, 小题9:(check) to see that everything was going to be okay.

“Thank you, sir.And God bless you.”the grateful child said to him and then pushed his brother down the sidewalk 小题10:their home.

题型:单项选择题

我国近代“躬行自明,身体力行”的教育家是()

A、蔡元培

B、胡适

C、陶行知

D、华罗庚

题型:单项选择题

简述滑车上淋巴结

题型:单项选择题

手动液压泵油泵在使用过程中,高压压力不足,其原因是()。

A.油料不足

B.压力调整的过低

C.高压阀过高

D.安全阀过高

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