试题与答案

颈总动脉造影侧位片上,颈内动脉起始段常位于颈外动脉的()A.前方 B.内侧 C.外侧

题型:单项选择题

题目:

颈总动脉造影侧位片上,颈内动脉起始段常位于颈外动脉的()

A.前方

B.内侧

C.外侧

D.后方

E.前外侧

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:相关系数是描述变量之间相关程度的指标,取值范围为[一1,1]。题中相关系数

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     Helen Keller was a US author and public speaker who became blind and deaf at the age of

19 months. Anne Sullivan became her teacher in 1887 and taught her to read, write, use sign

language and speak. Keller received degree from Radcliffe College in 1904 and spent the rest

of her life encouraging others with difficulties like hers to overcome them. Her books include ?

The story of My Life? (1902) and ?Out of the Dark? (1913). Her life was the subject of the play ?

The Miracle Worker?.

1. Helen Keller was an author in ________.

A.English

B. America

C.Australia

D.China

2. When she was 19 ________ old, Helen Keller became blind and deaf.

A.days

B. years

C.months

D.seconds

3. Did Helen Keller receive a college degree?

A.Yes, she did.

B. Yes, he did.

C.No, she didn't.

D.No, he didn't.

4. Which book is written by Helen Keller?

A.The story of My Life?

B.Out of the Dark

C. One million pound?

D.A and B

5. Helen Keller is a/an ________ person.

A.honest

B. hard-working

C.beautiful

D.lovely

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