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【单选题】
高分子化合物溶液稳定的主要原因是:A.
胶粒带电
B.
布朗运动
C.
扩散
D.
水化膜的存在
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举一反三
【单选题】What attitude does Alex take towards India now?
A.
Strong hostility.
B.
Passionate love.
C.
Slight contempt.
D.
Somewhat approval.
【简答题】影像动态构图和画面构图区别在哪里?
【单选题】As we're students, we _______ obey the school rules. [ ]
A.
can
B.
may
C.
must
D.
could
【单选题】What does Alex Zhavoronkov think of describing aging as a discase?
A.
It will prompt people to take aging more seriously.
B.
It will greatly help reduce the side effects of aging
C.
It will free pharmacists from the conventional beliefs about aging.
D.
It will motivate doctors and pharmacists to find ways to treat aging.
【简答题】阅读理解。 We are middle school students. We're in Class 3, Grade7. This is our classroom. It is a nice big room. You can see a clock over the blackboard. You can see desks and chairs in the room. They'...
【单选题】What problem does Alex have at work?
A.
His boss always wants to save money.
B.
Her boss is always worried about schedules.
【单选题】—How often do you watch TV? —Maybe ______. You know, we're students in Grade 3, so we don't have much time. [ ]
A.
in the evening
B.
for twenty minutes
C.
once a week
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