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【单选题】
表现人物胸部以上部分或物体局部的景别是A.
远景
B.
全景
C.
中景
D.
近景
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举一反三
【单选题】In computing, passwords are commonly used to limit access to official users. Yet the widespread use of passwords has serious drawbacks. Office workers now have to remember an average of twelve system ...
A.
They do not ensure security.
B.
They are difficult to remember.
C.
They have to be changed frequently.
D.
They limit computer accessibility.
【单选题】Acanthocephalans are commonly called ( ).
A.
roundworms
B.
blood worms
C.
flatworms
D.
probosis worms
E.
spiny-headed worms
【多选题】What are the three types of antonyms that are commonly indentified?
A.
complementary antonyms
B.
modifiers
C.
gradable antonyms
D.
converse antonyms
【简答题】In informal speech, people often omit sentence subjects because they are commonly understood. What are the omitted subjects in the following two sentences? Why do people know that these are the correc...
【简答题】Highly sophisticated electronic key systems are commonly equipped to______.
【简答题】磁卡与智能卡的主要差别是什么?
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