比较优势原理

从四个选项中，选出与所给句子画线部分意思相同或相近的选项。

1. We will be able to afford a new car next year.

A. should

B. can

C. may

D. must

2. Your schoolbag is similar to mine. I don't know which one to take.

A. liking

B. different

C. likely

D. the same as

3. If you understand your teacher's ideas, please reply to his questions in class.

A. answer

B. tell

C. say back

D. talk

4. She went to England last year in order that she could learn standard English.

A. in order to

B. so as to

C. so that

D. as a result

5. There are many shops on either side of the street.

A. neither side

B. both sides

C. every side

D. all sides

龙荟丸的功能是（）

A.润肠通便

B.泻火通便

C.理气通便

D.健脾益气，润肠通便

E.燥湿健脾，润肠通便

什么叫固体废弃物。

形成于对外力的适应性反应的是（）

A.无细胞无纤维牙骨质

B.无细胞外源性纤维牙骨质

C.有细胞固有纤维牙骨质

D.无细胞固有纤维牙骨质

E.有细胞混合性分层牙骨质

下列哪项应考虑癌性胸水（ ）。

A．胸水清澈、静置不凝固，比重＜1.016—1.018，以淋巴细胞和间皮细胞为主

B．胸水是谈血色，红细胞＞10×1010／L

C．胸水淡黄绿色，比重＞1.018，白细胞高于500xl06／L，pH＜7.30，Rivalta试验阳性

D．胸水有臭味，比重＞1.018，白细胞为10×108／L，PH＜7.OO，Rivalta试验阳性

E．血性胸水，红细胞＞5.0×108／L，胆固醇含量增高，LDH＞500IU／L