GRET2*加权成像序列参数选择，最佳组合是（）A.50～80°，TR200～500

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问题单项选择题

GRET2*加权成像序列参数选择，最佳组合是（）

A.50～80°，TR200～500ms，TE15～40ms

B.50～80°，TR800～1200ms，TE15～40ms

C.10～20°，TR200～500ms，TE15～40ms

D.10～30°，TR800～1200ms，TE15～40ms

E.10～30°，TR200～500ms，TE80～100ms

答案

参考答案：C

阅读理解

Read and choose.

Dad: Which dog do you like?

John: I like the black dog. It's taller than the white one.

Dad: Do you like the brown one?

John: I think I like the black one. It is stronger.

Dad: I like the white dog. It's younger. Its tail is 6 cm long.

John: The black dog is 20 cm tall.

John: Can I get a new dog?

Dad: No, you have two dogs already!

1. Which dog does John like?

A. The black dog.

B. The white dog.

C. The brown dog,

2. Is the brown dog stronger than the black dog?

A. Yes, it is.

B. Yes, it can:

C. No, it isn't.

3. Which dog is younger?

A. The white dog is younger.

B. The brown dog is younger.

C. The black dog is younger.

4. Can John get a new dog?

A. Yes, he can.

B. I don't know.

C. No, he can't.

单项选择题

市净率(P/B)，是指( )。

A．股票市场价格与每股净资产的比率
B．股票市场价格与每股收益的比率
C．股票市场价格与每股利润的比率
D．股票市场价格与每股资产的比率