I see no _________ of his success.
A. possible
B. possibility
C. possibilities
D. probable
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Some see themselves as the provider of ideas, ________ others view their role as essentially managerial.
A. when
B. therefore
C. while
D. otherwise
The teacher evaluated the performance of each of his students who ________ evaluated his performance.
A. by turn
B. in turn
C. at turn
D. on turn
Our television set is out of order. Could you come and __________ it for us?
A. see through
B. see out
C. see to
D. see over
酸碱指示剂的理论变色范围为:
A. pKHIn士1
B. 不能确定
C. KHIn士1
D. KHIn