下图是某生态系统中，能量与物质流通关系示意图，看图回答。（图中△为有毒物质浓度。单位

情景交际：补全对话，每空一词。

A: __1__ will happen if we have an English party this evening ?

B: Many students won't __2__, I think.

A: Why?

B: Because we'll have a math test tomorrow morning and we have to __3__ for it,

A: But I called Mr. Wang, our English teacher. He __4__ to come.

B: Give him a call now. And tell him __5__ it.

A: But when is a good time to have __6__?

B: __7__ have it tomorrow evening. And I can help you to organize it well.

A: I'm so __8__ to hear that. What shall l wear to the party, then?

B: You'd __9__ wear the school clothes.

A: What do you think of my new pants? __10__ very cool.

B: I don't think so. School children should wear school uniforms while in school.

A: All right.

患者，男性，40岁。主因突发剧烈头痛3小时，伴呕吐，查体：体温37.3℃C，血压18.7/10.7kPa（140/80mmHg），颈抵抗，Kernig征（+）。

该患者最可靠的诊断依据是（）

A.剧烈头痛、呕吐

B.偏瘫

C.Kernig征

D.腰椎穿刺为均匀一致血性脑脊液

E.头颅MRI

复方磺胺甲噁唑片和磺胺嘧啶片的溶出度检查采用

A．二者均采用转篮法

B．二者均采用桨法

C．二者均采用小杯法

D．前者采用转篮法，后者采用桨法

E．前者采用桨法，后者采用转篮法

对于化学方程式：6Fe+3O₂2Fe₃O₄。下列叙述正确的是[ ]

A.该反应不能发生，因为不符合客观事实

B.反应物、生成物的化学式书写错误

C.反应条件不正确

D.没有遵守质量守恒定律（没有配平）

为明确诊断首选的检查为

A．内镜检查

B．食管钡剂检查

C．胸部CT检查

D．食管黏膜脱落细胞检查

E．胸部X线检查