The work media basically refers to____ we commonly call newspapers, magazines, radios and televisions.
A. which
B. what
C. why
D. how
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He waited until everyone had had a say and he had had the opportunity of thinking things over before he ______ a different view from the rest.
A. put off
B. put on
C. put forward
D. put aside
The astronomer presented a new_____ of the beginning of the universe.
A. concept
B. conception
C. condition
D. convenience
Qi Baishi used the_____ of both Xieyi and Gongbi in his flower-and-bird paintings.
A. technology
B. technician
C. technique
D. approach
下面的说法,错误的是______。
A. 基类的引用可以指向派生类的对象
B. 基类的引用可以指向基类的对象
C. 派生类引用可以指向派生类的对象
D. 派生类引用可以指向基类的对象