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【多选题】
标准齿轮是指( )。
A.
模数是标准值
B.
压力角 α=20°
C.
齿高顶系数
D.
顶隙系数
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【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
working in complete harmony with the rest of the society
B.
a humble component of the society, especially when working smoothly
C.
a necessary part of the society though each individual's function is negligible
D.
an unimportant part in comparison with the rest of the society, though functioning smoothly
相关题目：
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
working in complete harmony with the rest of the society
B.
a humble component of the society, especially when working smoothly
C.
a necessary part of the society though each individual's function is negligible
D.
an unimportant part in comparison with the rest of the society, though functioning smoothly
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