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【判断题】
油泵电机通电时,电机驱动涡轮泵叶旋转,由于离心力的作用,使叶轮周围小槽内的叶片紧贴泵壳,将燃油从进油室带往出油室。A.
正确
B.
错误
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【简答题】完形填空。 In 1977, a dead author of detective stories saved the life of a 19-month-old baby in a most unusual way. The author was Agatha Christie, one of the most successful writers of detective stories i...
【单选题】The author feels less unrestrained when talking about animal emotions because ______.
A.
most animals have emotions as strong as human beings do
B.
most colleagues are on his side when talking about animals
C.
animals usually have mixed, and even conflicting emotions
D.
the view of animal emotions has become much more popular
【简答题】给下列的词组选择正确的汉语意思。 ( ) 1. brown eyes ( ) 2. black hair ( ) 3. green grass ( ) 4. tall tree ( ) 5. pretty girl A. 美丽的女孩 B. 绿色的草 C. 高的树 D. 黑色的头发 E. 棕色的眼睛
【简答题】选择正确的汉语意思。 ( ) 1. You're second. ( ) 2. How tall are you? ( ) 3. She is tall and he is taller. ( ) 4. She is taller and he is shorter. ( ) 5. Stand on your feet, please. A. 请用脚站着。 ...
【单选题】My sister _____ as a secretary in her company for three years and now she _____ to the manager of the sales department.
A.
served; has been promoted
B.
had served; has been promoted
C.
has served; has promoted
D.
was serving; has promoted
【单选题】金黄色葡萄球菌在血平板上的菌落特征是 -- ?
A.
金黄色菌落 + 绿色溶血环；
B.
金黄色菌落 + 透明溶血环；
C.
柠檬色菌落 + 绿色溶血环；
D.
白色菌落 + 绿色溶血环
【单选题】In commenting on O' Neill's record as Treasury Secretary, the passage seems to indicate that ______ .
A.
O'Neill has failed to use his power well
B.
O'Neill's policies were not well received
C.
O'Neill has been consistent in his policies
D.
O'Neill is skeptical about the package he's approved
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