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【判断题】
外的画法中,大小径的终止线用细实线表示,键尾用与轴线成30°的细实线表示。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Seeing my tearful eyes, he worriedly asked me ________.
A.
what wrong was
B.
what was wrong
C.
what the matter was
D.
what is the matter
【单选题】Seeing the terrible scene, many problems crowded ________my head.
A.
about
B.
out
C.
up
D.
in
【简答题】新生儿心率的范围为()，平均为()，血压平均为()。
【判断题】It is impossible to find a job if the applicant does not have a good command of English.
A.
正确
B.
错误
【单选题】You should have ____ good knowledge of English if you want to find a job here. Because English is the working language in_______ most international trade centers.
A.
不填；the
B.
不填；不填
C.
a; 不填
D.
a; the
【简答题】设函数 中， 为奇数， 均为整数，且 均为奇数.求证： 无整数根。
【单选题】The chances of seeing a helicopter in my hometown are one ________ a million.
A.
for
B.
to
C.
in
D.
against
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