生物多样性是共同进化的结果。下列事实不属于共同进化的是[ ] A．随着工业的发展

句型转换

1. He waited until his mother arrived.(改为同义句）  

He____ until his mother arrived.

2. I should write him a letter.（对划线部分提问）  

_______ ______ ________ do?

3. My shoes are out of style.（改为反意疑问句）  

My shoes are out of style,________?

4. It seems that he is quite happy.（改为同义句）

____ seems________ ____quite happy.

5. He has some money, too.（改为否定句）  

He______ ______ _____money,____.

“That VCD you bought ____ very expensive” . “Do you know ____ ? ”

A．ought to be ; how much it cost

B．may be ; how much it costs

C．must be ; how much it cost

D．can be ; how much doesn''t it cost

PGM-48钢轨打磨车的主发动机冷却水温超过（）时，发动机将会自动停机。

A、250°F

B、190°F

C、220°F

D、185°F

对话

SELECT名字年龄FROM职员表WHERE姓名LIKE‘李%’，这句话的意思是______。