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问题 单项选择题

福建沿海经营台湾相思，上层选留部分林木培育用材，下层采用平茬更新经营薪炭林，这种作业法属于（）

A、乔林作业法

B、矮林作业法

C、中林作业法

D、头木作业法

答案

参考答案：B

填空题

一只灯泡的灯丝断了，灯丝接好后仍能使用，但灯泡的亮度要比原来 _________ ，这是因为灯丝的电阻比原来 _________ ，通过灯丝的电流比原来 _________ ．
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填空题

A: What’s the date today
B: It’s June 16.
A: (16) Then it’s Dragon Boat Festival today, isn’t it
B: Yes. (17)
A: Did you have rice dumplings this morning
B: Sure. (18)
A: I didn’t.
B: What a pity! But I happen to have got some with me. (19)
A: I’d love to. By the way, why do you call it Dragon Boat, Festival
B: Because in China, people race dragon boats this day every year.
A: Oh, I see. (20)
B: You are welcome.
A. We Chinese usually eat rice dumplings this day.
B. I hate eating rice dumplings.
C. Thank you for your rice dumpling.
D. I don’t think so.
E. Would you like to have one
F. Already
G. How about you
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