苦杏仁苷口服易在胃肠道分解出氢氰酸，毒性比静脉注射大。（）_爱下问搜题

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问题判断题

苦杏仁苷口服易在胃肠道分解出氢氰酸，毒性比静脉注射大。（）

答案

参考答案：对

补全对话，情景问答

补全对话，选出合适的选项。

A. "Happy Teachers' Day"
B. Not at all.
C. "Merry Christmas"
D. I'm making a card.
E. study it.
F. Thank you very much.
G. teach you.
H. When is the Teachers' Day?

A: What are you doing?
B: ______________________.
A. What are you writing?
B: ______________________.
A: ______________________?
B: It's September 10th, next Monday.
A: I want to make one, too.
B: OK. Let me ___________.
A: _____________________.

名词解释

开垦土地