下列有关设计—采购—建造(EPC)交钥匙模式的表述正确的是()。A．由工程公司负责对

根据对话判断正 （T）误 （F）。

Tony: Good morning, Mr King!

King: Good morning, Tony!

Tony: May I ask some questions about your sports collection?

King: Sure!

Tony: Do you have any tennis rackets?

King: Yes, I do. I have 80 tennis rackets.

Tony: Do you have any baseballs?

King: Yes, I do. I have 40.

Tony: Do you have any soccer balls?

King: Yes, I do. I have 20 soccer balls, and I have 20 volleyballs, too. But I don' have any basketballs.

Tony: Well, do you like sports?

King: Of course, I do. But I don' t play sports. I only watch them on TV.

( )1. King has a sports collection.

( )2. King has 80 tennis balls.    

( )3. King has 20 basketballs, too.

( )4. King doesn't like sports.    

( )5. King watches sports on TV.  

I’m very grateful to my high school teachers, without ______ help I wouldn’t be so excellent.

A．whom

B．their

C．which

D．whose

我国某出口企业于8月2日向法商发盘供应东北大豆2000公吨，限8月8日复到，法商表示接受的电传于8月9日上午送到我方，当时我方即电话通知对方其接受有效，并着手备货，一周后，大豆价格下跌，法商于8月17日来电称“9日电传系在你方发盘已失效时作出，属于无效接受，故合同不能成立。”你认为法商的说法合理吗？请分析。

斜面培养基的灭菌工艺是什么？

驾驶机动车不能快速通过这种情况的铁路道口。