控制指令IF[]GOTOn表示若条件不成立，则转向（）。A、下一句 B

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问题单项选择题

控制指令IF[<条件表达式>]GOTOn表示若条件不成立，则转向（）。

A、下一句

B、n

C、n-1

D、n+1

答案

参考答案：A

填空题

用所给单词的适当形式填空。

1. I'd like to go to Zhangjiajie and I think it's an _______ (excite) place.

2. Would you mind my _______ ( open) the windows. I'm very hot.

3. Would you please give me _______ (some) help with my English?

4. It's best _______( plant) trees in spring because it's warm and humid.

5. I want to be relaxed on vacation and have _______ (something) fun to do

选择题

对于可逆反应2AB₃(g) A₂(g) ＋ 3B₂(g) ΔH＞0，下列图像正确的是：