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【判断题】
在任意圆周上相邻两轮齿同侧渐开线间的距离,称为该圆上的齿距。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The word 'cluster' in line 4 is closest in meaning to
A.
organ
B.
activity
C.
group
D.
cycle
【单选题】Which of the following can explain the word 'duplicating' in line 4 from the bottom?
A.
Copying.
B.
Making.
C.
Creating.
D.
Giving.
【单选题】In the article, the word 'vital', in paragraph 4, line 4 is closest in meaning to
A.
important.
B.
medical.
C.
remarkable.
D.
lively.
【单选题】某女,55岁,有高血压病史,近日有时夜间出现胸闷,并有频发的阵发性室上性心动过速,此时宜选用
A.
硝苯地平
B.
普萘洛尔
C.
雷米克林
D.
维拉帕米
E.
卡托普利
【单选题】In the article, the word 'course' in paragraph 1, line 4, is closest in meaning to
A.
class
B.
period
C.
program
D.
direction
【单选题】Which of the following is closest in meaning to the word 'oblivious'(Line 4)in the third paragraph?
A.
sober
B.
absorbed deeply
C.
not noticing
D.
forgetting
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