哪一项不是临床试验评价疗效常用指标（）。 A.治愈 B.好转 C.无效

阅读理解

     Food is very important. Everyone needs to eat well if he wants to have a strong body.

Our minds also need a kind of food. This kind of food is knowledge(知识).

     When we are very young, we start getting knowledge. Kids like watching and listening.

Color pictures especially interest them. When kids are older, they enjoy reading. When

something interests them, they love to ask questions.

     Our minds, like our bodies, always need the best food. Studying on our own brings the

most knowledge.

     If someone is always telling us answers,we never learn well. When we study correctly

(正确地) and get knowledge on our own, we learn more and understand better.

1. Everyone needs to eat well because it can help people __________.

A. to be healthy

B. to study well

C. to enjoy learning

D. to have a happy life

2. Our bodies need __________.

A. books

B. rice

C. food

D. drink

3. We start getting knowledge __________.

A. when we are old

B. when we are very young

C. when we are pupils

D. when we are parents

4. How do kids get knowledge?

A. They watch.

B. They eat.

C. They listen to the teacher.

D. They just learn by themselves.

根据下述图片，结合所学知识，回答

简述1980~2003年，我国进出口总额和外资直接投资累计量占世界比重变化的相同点和不同点。

翅片管的基管能否拼接？有何要求？

保证是保证人与( )约定，当债务人不履行债务时，保证人按照约定履行债务或承担责任的行为。

A．第三人

B．债务人

C．合伙人

D．债权人

大型项目一般需要各单项项目机构协作以保证实现总体项目目标。以下关于大型项目协作管理说法中，不正确的是（）

A.大型项目团队协作的效率取决于良好的团队纪律

B.统一的项目过程有助于提高单项协作的效率，因此保证了项目质量

C.大型项目的协作属于各单项之间的内外部协作

D.大型项目的项目经理日常职责属于直接管理