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【判断题】
一个体细胞的两条非同源染色体可能分别来自父母本，也可能来自同一亲本。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】下列叙述正确的是
A.
同温同压下，相同体积的物质，其物质的量一定相等
B.
等物质的量的甲烷和一氧化碳所含的分子数一定相等
C.
1L一氧化碳气体质量一定比1L氧气的质量小
D.
相同条件下的CO气体和NO气体，若体积相等，则它们的质量一定相等
【单选题】My friend does one thing one day and just the ________the next. His behavior is inconsistent. [ ]
A.
positive
B.
alternative
C.
negative
D.
opposite
【单选题】----Why didn’t you apply for the job? ----I ________, but my old friend offered me a better one.
A.
was going to
B.
would
C.
will
D.
am going to
【简答题】无机型混凝剂主要起( )作用,有机型混凝剂主要起( )作用
【简答题】B. Listen to a talk about sleep. Take notes and complete the following summary. Everyone needs to 1 . It seems that there are 2 purposes of sleep: 3 rest and 4 or 5 rest. We need to rest our 6 and ou...
【单选题】Which of the following does the author NOT agree with?
A.
One shouldn't lend money to friends.
B.
The meaning of life doesn't completely lie in money.
C.
Happiness is not necessarily the result of wealth.
D.
Money is important in modern society.
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