中心型肺癌X线不易发现的征象为（） A.肺不张 B.肺气肿 C.阻

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问题单项选择题 A1/A2型题

中心型肺癌X线不易发现的征象为（）

A.肺不张

B.肺气肿

C.阻塞性肺炎

D.支气管黏液嵌塞

E.肺门肿块

答案

参考答案：D

解析：支气管黏液嵌塞为CT增强扫描可见的征象，X线难以发现。

阅读理解

S.H.E is a singing group from Taiwan. There are three girls in the group. They are Selina, Hebe and

Ella.

"S"is for Selina. She is 30 years old. Her birthday is October 31st.She is 1.62 m. She likes pink. She also likes going shopping.

"H"is for Hebe. She is 28 years old. Her birthday is March 30th.She is 1.58 m. She likes red. She

often goes to see movies.

"E"is for Ella. She is 31 years old. Her birthday is June 18th.She is 1.63 m. She likes white and jeans.

1. Ella is________years old.

A. 30

B. 28

C. 31

D. 26

2. Hebe likes ________.

A. going shopping

B. going to movies

C. having parties

D. jeans

3. What color does Selina like? She likes________.

A. pink

B. red

C. white

D. purple

填空题

已知函数f(x)=kx³＋3(k－1)x²－k²＋1(k＞0)的单调减区间是(0,4),则k的值是______.