Cheating at the game ruined that player'

用单词的适当形式填空。

1. In the evening, my family ______________ (go) to the beach.

2. Who is ______________ (run) in the playground.

3. Everyone likes to ______________ (get) birthday cards.

4. Our National Day is on October the ______________ (one).

5. I am doing the ______________ (dish).

下面的式子中，______是等式，______是方程．

A．x+2.5＜8 B.28-12=16 C.3.4m=6.8 D.5a．

下面（  ）操作能造成甲醇合成催化剂的活性下降。

A、高温

B、低温

C、高H/C

D、高空速

对于筛选记录，Access提供了按选定内容筛选等( )种方法。

A．2

B．3

C．4

D．5