在下面列出的条目中，哪个(些)是当前应用开发工具的发展趋势 (

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问题单项选择题

在下面列出的条目中，哪个(些)是当前应用开发工具的发展趋势 ( ) Ⅰ．采用三层或多层Client/Server结构 Ⅱ．支持Web应用 Ⅲ．支持开放的、构件式的分布式计算环境

A．Ⅰ和Ⅱ

B．Ⅱ

C．Ⅲ

D．全都是

答案

参考答案：D

填空题

1. The rain is not falling so ( heavy) now.

2. We used to (express) our feeling by the letter.

3. I'm used to ( brush) my teeth at noon and in the evening.

4. He said it ( serious) without even smiling.

5. These activities are very meaningful. They are good for the mental ( develop) of the students.

6. Last holiday the little girl enjoyed ( her) in the party.

7. It gets dark, but they are still waiting ( patient) .

单项选择题

利率是一种重要的( )。

A．经济杠杆
B．政治手段
C．法制手段
D．经济措施