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问题 选择题

下列颜色不属于因化学反应而产生的现象的是（　　）

A．无色试剂瓶中的浓硝酸呈黄色

B．久置的KI溶液呈黄色

C．新制氯水久置后变为无色

D．普通玻璃导管口点燃纯净氢气时，火焰呈黄色

答案

答案：D

选择题

The players expected there ____ more free time before coming back to the country

From abroad.

A．is

B．being

C．have been

D．tobe
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单项选择题

Questions 14-23


·Look at the ten statements for this part.
·You will hear a passage about "A Research on Sleep ". You will listen to it twice.
·Decide whetheryou think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet.

During the REM period your eyes will move around under the eyelids as if you were looking at something happening in front of you.

A. Right

B. Wrong

C. Not Mentioned
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