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【单选题】
起重机接近终点时,应该
A.
及时断电,尽可能不动用行程限位器
B.
等待行程限位器动作
C.
加快起重机动作速度
D.
以上都对
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参考答案:
举一反三
【单选题】在海洋里,无论是在大陆架,还是在大陆披上,或是在大洋底区域里,都有或大或小的露出水面的陆地,我们把这样的陆地称为海洋中的()。
A.
B.
C.
岛屿
D.
【单选题】将粉状脱氧剂如C粉、Fe-Si粉、CaSi粉、Al粉加到炉渣中,降低炉渣氧含量,使钢液的氧向炉渣扩散,从而降低钢液氧含量的脱氧方法,称为: 。
A.
沉淀脱氧
B.
真空脱氧
C.
扩散脱氧
【单选题】西装、树衫、领带、皮带与鞋袜的颜色最多不超过( )种。
A.
1
B.
2
C.
3
D.
4
【单选题】Which of the following statement is true according to the passage?
A.
35% of technical reports published in scientific journals are written by scientist's doing their research in America
B.
35% of all scientific journals are issued by American scientific societies.
C.
35% of all scientists come from America
D.
35% of all scientists are doing research at American institutions.
【单选题】The author of this passage is most likely to be ______ .
A.
a biologist
B.
an athlete
C.
a reporter
D.
a sailor
【单选题】If a syllabus 15 organized around communicative function ,such as identifying, reporting ,correcting and describing ,we call it a _________syllabus.
A.
situational
B.
functional
C.
structural
D.
notional
【单选题】______ was not the way the event happened.
A.
Which the press reported
B.
That the press reported
C.
What did the press report
D.
What the press reported
【单选题】“I am fuming with anger.”该句包含的愤怒隐喻是______?
A.
愤怒是火
B.
愤怒是容器中热的气体
【单选题】“I am fuming with anger.”该句包含的愤怒隐喻是______?
A.
愤怒是火
B.
愤怒是容器中热的气体
C.
愤怒是危险的动物
D.
愤怒是暴风雨
【单选题】下列不属于社区卫生服务工作内容的是
A.
健康教育与寄生虫病防治
B.
社区常见病、外伤的处理
C.
急危重病的处理与器官移植
D.
妇女、儿童、老年保健
E.
社区康复,残疾康复指导和康复训练
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