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【单选题】
They were so far away that I couldn't ______ their faces clearly. [ ]A.
make for
B.
make up
C.
make of
D.
make out
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【单选题】– You haven’t been to Beijing, have you ? -- . How I wish to go there!
A.
Yes, I have.
B.
No, I haven’t.
C.
Yes, I haven’t.
D.
No, I have.
【多选题】下面关于流量检测的说法中,正确的是( )
A.
流量有体积流量、重量流量和质量流量三种
B.
差压式流量计测得的压力差和流量呈线性关系
C.
流量计按工作原理分为容积式、速度式和质量流量计三种
D.
流体流量的大小与其压力与温度有关。
【单选题】(2009.29)—I haven’t seen Grace for a long time.—I haven’t seen her, _____.
A.
other
B.
too
C.
either
D.
instead
【多选题】下面关于流量检测的说法中正确的是( )
A.
流量可分为体积流量和质量流量
B.
差压式流量计测的压力差和流量呈线性关系
C.
流量计按工作原理分为容积式、速度式和质量流量计三种
D.
电磁流量计不能用来测量非导电液体的流量
【简答题】I haven’t read the book and I haven’t seen the film , too . A B C D
【多选题】下面关于流量检测的说法中正确的是( )。
A.
差压式流量计测的压力差和流量呈线性关系。
B.
流量计按工作原理分为容积式、速度式和质量流量计三种。
C.
电磁流量计不能用来测量非导电液体的流量。
【单选题】It can be inferred that which of the following is true of plant fecundity as it is defined in the passage? ______
A.
A plant's fecundity decreases as the percentage of unpollinated flowers on the plant increases.
B.
A plant's fecundity decreases as the number of flowers produced by the plant decreases.
C.
A plant's fecundity increases as the number of flowers produced by the plant increases.
D.
A plant's fecundity is usually low if the plant relies on a small number of insect species for pollinations
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