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【单选题】
危险辨识、风险评价和风险控制策划应对所评价的风险进行合理的分级，确定不同风险的可承受性，以便在制定目标特别是制定（ ）时予以侧重和考虑。A.
运行控制措施
B.
初始评审方法
C.
管理方案
D.
应急预案
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举一反三
【单选题】I said ______ for her to copy my homework. [ ]
A.
I don't think it was a good idea
B.
I didn't think it was a good idea
C.
I thought it wasn't a good idea
【单选题】Look! This is my father. he is a great father. [ ]
A.
I think
B.
I thinks
C.
He thinks
D.
He think
【简答题】In Chicago,there is ______ on the ground, and people are wearing ______.
【单选题】----Will you come and play soccer with me? ----- ______,but I’m doing my homework.
A.
I think so
B.
I’d be glad to
C.
I hope not.
【单选题】Commuting to work in Chicago is no【C1】______, for the roads there are even more crowded than in San Francisco. But here is how the city of Chicago is handling the problem. 'We dont have rash hours any...
A.
cheerful
B.
pleasant
C.
happy
D.
pleasure
【单选题】Chicago is on ________ Lake Michigan. There is nothing in the world like ____Chicago meat industry.
A.
the；the
B.
不填；不填
C.
the；不填
D.
不填；the
【简答题】超声波检测是利用不同介质的不同声学特性对超声波传播的影响来探查物体和进行测量的。广泛应用在颗粒状、粉状、块状等固态物体的料位检测、废水(中水)处理中的液位检测、金属部件的厚度检测和金属探伤等方面。试结合回波式超声波物位计结构图,阐述回波式超声波物位计工作原理,并结合工作原理说明回波式超声波物位计实现液体物位检测的过程。
【单选题】I think I will go to Beijing with my parents, because I don't like to be _____. [ ]
A.
one
B.
alone
C.
lonely
D.
myself
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