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【简答题】
七鳃鳗的鳃丝来源于()胚层。
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举一反三
【判断题】Victoria Mather thinks that Charles wanted to love Diana, to cherish her, to make the marriage a success
A.
正确
B.
错误
【单选题】When the author says that 'the results of the protests and other tactics have been mixed' (in Para. 3), he means the protest and other tactics______.
A.
have produced desired effects
B.
almost amounted to nothing
C.
have some influence on the public
D.
have proved to be too radical
【单选题】It was luck again, according to Nina, that brought her the role in Mute Wife ______ she is best known.
A.
which
B.
in which
C.
for which
D.
to which
【单选题】Good books can decrease our contentment when we are happy and lessen our troubles when we are sad.
A.
Right
B.
Wrong
【简答题】We hear with our ears, right? Yes, but scientists have known for years that we also hear with our eyes. In a study published in 1976, researchers found that people combined both auditory cues(听力提示) an...
【单选题】Task 2 Read the passage again and choose the best answers. 1.Which of the following is not the disposition of an optimist?
A.
Outgoing
B.
Enthusiastic
C.
Upbeat
D.
Nervous
【多选题】用基准物质草酸钠标定高锰酸钾标准溶液时,需要严格控制的滴定条件有( )。
A.
温度保持在70-85℃
B.
用稀硫酸调节控制溶液的pH在强酸性
C.
滴定速度要与反应速度同步，开始时慢然后稍快终点附近慢
D.
滴定至溶液呈微红色30s不褪色为终点
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