Tom ______ have time to visit Paris.
A. will be not
B. won't
C. won't not
D. not
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A good manager should be good at business _________.
A. duty
B. duties
C. something
D. some duty
The manager ________ making good plans.
A. are good in
B. is skilled at
C. is skilled in
D. are good at
栓塞最常见的部位是:( )
A. 心
B. 肝
C. 肺
D. 肾
E. 脑
来源于门静脉系统的栓子,常栓塞于:( )
A. 心
B. 肝
C. 肺
D. 肾
E. 脑