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【简答题】
两个基因连锁强度越小，那么遗传距离就越______，如果一个杂合体自交或测交后代均分离不出新类型，那么这种遗传现象为______连锁。说明这两对连锁基因间的染色体区段没有发生______。
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【单选题】听力原文：M: Excuse me! How much is this shirt. W: 50 dollars and 50% discount from today to the end of this month. How much is the shirt?
A.
100 dollars,
B.
50 dollars.
C.
25 dollars.
D.
20 dollars.
【简答题】Section B Dialogue Listening
【简答题】Section B Dialogue Listening
【简答题】Section B Dialogue Listening
【简答题】Section B Dialogue Listening
【单选题】—Do you know _____ the CD yesterday? —Sorry, I don't know. [ ]
A.
how much he paid for
B.
how much he will pay for
C.
how much did he pay for
D.
how much will he pay for
【单选题】How much discount will you get if you buy Eurail Youth Pass?
A.
a discount of 10% on standard adult prices
B.
a discount of 20% on standard adult prices
C.
a discount of 23% on standard adult prices
D.
a discount of 50% on standard adult prices
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