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【单选题】
下列实验操作中错误的是A.
分液时，分液漏斗下层液体从下口放出，上层液体从上层倒出
B.
蒸馏时，应使温度计水银球靠近蒸馏烧瓶支管口
C.
配浓硫酸和浓硝酸的混酸时，浓硫酸慢慢加到浓硝酸中，及时搅拌和冷却
D.
测溶液的PH值需先用蒸馏水润湿PH试纸，再用干燥洁净的玻璃棒蘸溶液滴在试纸上，并与标准比色卡对照
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【简答题】Henry James’s greatest influence was exerted not on his own age but on the one that followed.
【单选题】Henry：Bill，would you tell me the time? Bill：It’S 9：30． Henry：Our plane will take off in an hour．__________go to the airport． Bill：Don’t worry．We have enough time．
A.
We’re going
B.
We should
C.
We’d better
D.
We would
【单选题】Henry will leave ______ Japan, because he will go to attend a meeting there.
A.
from
B.
to
C.
for
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