面对纷繁复杂的文化现象，我们应当（） ①兼容并蓄，全面吸收 ②提高辨别能力和抵御

阅读理解。

Joyce: Can you help me take care of my roses? I'll be away for two weeks.

Ryan: Are you crazy? Don't you know I'm a flower killer?

Joyce: Why's that? I remember you have a beautiful garden with all kinds of flowers. 

           I think you've been taking good care of them.

Ryan:  Not me. It's my dad. He is good at growing trees and flowers. I think you should ask someone

         else for help. I'm really not the right person.

Joyce:  But I'm leaving tomorrow morning! There's no time to look for someone else. Please!

           All you have to do is to water my roses every two days. Here's the key to my house.

Ryan: It's just as easy as that?

Joyce: Yeah, just as easy as that!

Ryan: Well… will you kill me if anything goes wrong?

Joyce: Maybe, but I believe you'll do just fine.

1. Why does Ryan say he is a flower killer?

A. He likes to pick up flowers.

B. He makes girls crazy for him.

C. He cannot keep flowers living long.

D. He does not like to have flowers in his house.

2. If Joyce's roses are watered on the afternoon of May 5, when should they be watered next time?

A. On May 6.

B. On May 7.

C. On May 9.

D. On May 10.

3. Which is said in the reading?

A. Ryan's father has decided to help Joyce.

B. Joyce is going on business for two weeks.

C. Ryan's father takes care of Ryan's garden.

D. Joyce has brought her roses to Ryan's garden.

人造卫星绕地球做匀速圆周运动，已知下列哪一组数据可以求出地球的质量（　　）

A．卫星的轨道半径和质量

B．卫星的轨道半径和周期

C．卫星的质量和周期

D．卫星的质量和环绕速度

药疹诊断的主要依据是：（）

A.药物皮内试验

B.药物激发试验

C.淋巴细胞转化试验

D.病理活检

E.用药史和临床表现

煤耗

压力容器紧急停运注意事项（）。

A、压力来自器外的切断压力来源

B、对器内产生压力的采取降压措施

C、清除剩余物料