根据材料的材质和（）来决定矫正温度。A、力学性能 B、化学成份 C、变形大小 D、抗

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.

该地区1998年的结核病死因构成比是

A．20%

B．30%

C．3%

D．6%

E．所给资料不能计算

为了探究影响电热的因素，实验室准备了两个装满煤油的烧瓶、两个带有橡皮塞的相同温度计，两根不同阻值的电阻丝，以及滑动变阻器、开关、导线、电源等．两个实验小组根据提供的实验器材，分别设计了图甲、乙所示的两个方案．

(1)这两个方案的共同点是通过观察 ▲ ，可以知道产生的电热的多少．

(2)甲方案探究的问题是 ▲ ．

(3)乙方案探究的问题是 ▲ ．

(4)实验中烧瓶内装煤油而不装水，这样做的原因是： ▲ ．

肾小球

越婢加术汤宜用于水肿的（）

A.风水泛滥证

B.湿毒浸淫证

C.水湿浸渍证

D.湿热壅结证

E.脾阳虚衰证