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【单选题】
不同的挖坑机定位尖有着不同的定位稳定性,下列定位尖稳定性能最好的是:( )A.
平面分叉型
B.
三角型
C.
锥形小螺旋型
D.
直角L型
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Many news agencies have______in many foreign countries.
A.
reporters
B.
correspondents
C.
announcers
D.
journalists
【简答题】(P172) 白露【为】霜。 172.(P172) 宛在水中【沚】 173.(P172) 蒹葭【凄】凄,白露未晞。 174.(P172) 溯游从之 , 宛在水中【坻】。 175.(P172) 【潮洄】从之道阻且【右】。
【简答题】Just as our degree of individual uncomfortable to many foreign visitors, foreign attitudes toward truth seem uncertain to Americans. In many countries people will tell you what they think you ...
【单选题】Which of the following statements is TRUE according to the reading passage?
A.
Parents should be more tolerable towards their children.
B.
The younger generation should value the older generation for their wisdom.
C.
The generation gap is partly created by the older generation.
D.
The generation gap should be avoidable in American society.
【单选题】Which of the following is not mentioned in the reading skill?
A.
simile
B.
metaphor
C.
personification
D.
irony
【单选题】Which of the following is the tip for the basic reading skill – skimming?
A.
Read the title, subtitle and introduction.
B.
Keep in mind what you are searching for.
C.
Anticipate in which form the information is likely to appear.
D.
Read the entire sentence that has the information you seek.
【多选题】天然药物化学成分的预试验,一般
A.
测定各类成分的物理化学常数
B.
利用各类成分的检识反应
C.
可采用试管反应和色谱试验
D.
应用高效液相色谱
E.
测定UV和IR光谱进行检识
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