执行以下程序后的输出结果是______。 main() int a=10; a

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问题填空题

执行以下程序后的输出结果是______。
main()
int a=10;
a-(3*5,a+4);printf("a=%d\n",a);

答案

参考答案：a=14

解析：本题主要考查了逗号表达式。逗号表达式的值是以逗号分隔的最后一个表达式的值。所以题目中的语句a=(3+5，a+4)；就等价于a=a+4；。故本题输出结果是a=14。

阅读理解

Tom and I are good friends. Tom is an English boy, but I am a Chinese girl. My name is Li Hua. He is 12 and I am 13. He is in Class One. I’m in Class One, too.

Tom has a nice football. He can play it. I have a computer. I can play computer games, but I can’t play football. It’s difficult. Tom teaches (教) me to play football, and I teach him to play computer games. Now I can play football and Tom can play computer games.

小题1:Li Hua is _______, but Tom is ____________.

A．Chinese, Chinese

B．Chinese, English

C．English, Chinese

D．English, English小题2:Tom and Li Hua are _________.

A．girls

B．boys

C．13

D．in Class One小题3:--- How old is Li Hua? ---She is ____________.

A．11

B．12

C．13

D．14小题4:Tom can play ________ now with my help.

A．football

B．basketball

C．computer games

D．volleyball小题5: Which of the following (下面的句子) is true (真实的，正确的)?

A．Tom has a football and Li Hua has a computer.

B．Li Hua can’t play football now.

C．Tom can’t play football. It’s difficult (难的).

D．Tom and Li Hua are teachers.

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读图填空题

鸟卵产出以后，胚胎就暂停发育，原因是外界温度比雌鸟体温　　　　　（填“高”或“低”）

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