列举抗日战争时期和解放战争时期中 * * 党提出的教育方针政策及其原因。

桨细胞是由B细胞和记忆细胞分化而来的，分化的原因有

①T细胞把抗原呈递给B细胞②抗原直接刺激B细胞③抗原刺激记忆细胞④B细胞进行有丝分裂 [ ]

A．①②③④

B．①②③

C．①②④

D．②③④

下列关于对工程项目代建制的表述中不正确的是( )。

A．实行代建制的政府投资项目主要用于关系国家安全和市场不能有效配置资源的经济和社会领域

B．投资项目代建制的核心是代建单位按照财政制度代理项目建设的法人职责

C．政府部门的办公用房、环境保护等项目可实行项目代建制

D．实行代建制的关键是通过公开竞争方式选择具有专业素质的代建单位

第二节 补全对话。根据对话内容，从对话后的选项中选出最佳选项，并将其答案标号填入题后的空白处。选项中有两项为多余选项。

—Now, tell me about the man who stole your neighbour’s car. What did he look like?

—Well, sir. He was tall…

—  61 

—Oh, yes, and he was younger than you—only about thirty, I’d say.

—Well! And what colour was his hair?

—It was brown, and short…it was similar to yours, actually.

—  62  

—No, he was clean-shaven.

—OK. Now have a look at these photos—can you see him?

—  63  

—But that’s Frankie Farnham—he’s got a beard, and he’s very short!

—Hm, well…

—  64 

—Yes, the strongest thing was that he appeared to be a gentleman—he was wearing a suit…not like a thief at all.

—Hm, like this photo?

—Yes, that’s him!

—That’s Bill Mahony: he’s in prison! Are you sure you saw the thief?

—  65 

A．No, I can’t.

B．Taller than me?

C．How tall was he?

D．Did he have a beard?E.Well, er, it was very dark…

F.Oh, yes, he looked exactly like this one here.

G.Do you remember anything else about the man?

生物界以NADH或NADPH为辅酶硝酸还原酶有三个类别，其中高等植物子叶中则以（）硝酸还原酸酶为主，在绿藻、酵母中存在着（）硝酸还原酶或（）硝酸还原酶。

咨询工程师在投资项目投资机会研究中，首先应分析( )。

A．项目的市场机会
B．业主的投资动机
C．项目的融资条件
D．地理区位优势