问题
选择题
下列说法正确的是( )
A.细菌的营养方式是腐生
B.细菌、酵母菌的细胞结构完全一样
C.地衣可作为检测空气污染程度的指示植物
D.霉菌对人类都是有害的
答案
答案:C
下列说法正确的是( )
A.细菌的营养方式是腐生
B.细菌、酵母菌的细胞结构完全一样
C.地衣可作为检测空气污染程度的指示植物
D.霉菌对人类都是有害的
答案:C
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并答在答题卷上。选项中有两项多余选项。(共5小题;每小题2分,共10分) Jerry: Hi, Mike. Look like you’ve got some sun. Mike: I guess so. I spent the weekend on the beach. Jerry: Really? That sounds exciting. 小题1: Mike: At my friend’s house. He invited me to stay there for as long as I wanted. Jerry: 小题2: Mike: Oh, I have a paper to work on. Jerry: 小题3: I mean besides lying out in the sun. Mike: I played some volleyball. I never realized how hard it is to run on sand. Jerry: 小题4: Did you go swimming? Mike: I intended to. 小题5: So I just went fishing. Jerry: All sounds so relaxing.
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