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【单选题】
叶绿体、有色体和白色体统称为A.
前质体
B.
细胞器
C.
细胞后含物
D.
质体
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【简答题】如图，△ABC缩小后得到△A'B'C' ，则△ABC与△A'B'C'的位似比为（ ）。
【多选题】What do you say when you have a bad connection on a call? ( )
A.
I can’t hear you very much.
B.
I am losing you.
C.
You are breaking up.
D.
I've got really weak signal.
【简答题】People in different countries have different ways of doing things. Something that is 1 in one country may be quite impolite in another. In Britain , you mustn't lift your bowl to your 2 when you are h...
【简答题】Perhaps those who have been rendered unhappy by a bad theory may need a better theory to help them to recovery,just as you may need a tonic when you have been ill.
【简答题】如图，在△ABC和△A′B′C′中，∠B=∠B′，要使△ABC ∽ △A′B′C′，还需要添加一个条件是______．
【简答题】DTFD存在的充分必要条件是___________。 在___________意义下,周期DTFT形式上仍可用公式表示。 帕斯瓦尔定理表明__________.
【单选题】Which medicine should you not take when you have a bad cold? ( )
A.
hypertensive medicine
B.
aspirin
C.
Anti-inflammatory drugs
D.
antipyretics
【判断题】When you have a bad cold, you'd better do a lot of sports and eat junk food.
A.
正确
B.
错误
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