叶片细胞内的能量转换器是（ ） A．细胞核和叶绿体 B．线粒体和染色体 C．线粒

在人际交往中，沟通的非语言系统内容包括（）

A.微笑与点头

B.环境与气味

C.手势与体位

D.表情与目光

E.灯光与音乐

增加异频切换载频相邻关系的命令是（）

A、ADD DFNBRPILOT

B、ADD NBRPILOT

C、ADD PILOTOL

D、ADD SFNBRPILOT

A: What’s the date today

B: It’s June 16.

A: (1) Then it’s the Dragon Boat Festival today, isn’t it

B: Yes. (2)

A: Did you have rice dumplings this morning

B: Sure. (3)

A: I didn’t.

B: What a pity! But I happen to have got some with me. (4)

A: I’d love to. By the way, why do you call it the Dragon Boat Festival

B: Because in China, people race dragon boats this day every year.

A: Oh, I see. (5)

B: You are welcom

A. We Chinese usually eat rice dumplings this day.

B. I hate eating rice dumplings.

C. Thank you for your rice dumplings.

D. I don’t think so.

E. Would you like to have one

F. Already

G. How about you

第（1）空应选择（）

小张承诺：如果天不下雨，我一定去听音乐会。
以下哪项为真，说明小张没有兑现承诺
Ⅰ．天没下雨，小张没去听音乐会。
Ⅱ．天下雨，小张去听了音乐会。
Ⅲ．天下雨，小张没去听音乐会。

A．仅Ⅰ

B．仅Ⅱ

C．仅Ⅲ

D．Ⅰ、Ⅱ和Ⅲ

下列油漆工程量以米为计量单位的有( )

A．木扶手油漆

B．栏杆刷油漆

C．金属面油漆

D．木制踢脚线油漆