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问题 单项选择题

对风疹和麻疹具有鉴别意义的是（）

A.发病季节

B.血白细胞减少

C.结膜炎及鼻黏膜卡他炎症

D.血清特异性抗体的检测

E.面部和躯体皮疹

答案

参考答案：D

选择题

下列关于植物组织培养技术产生新个体的叙述错误的是[ ]

A．属于无性生殖

B．主要理论依据是植物细胞具有全能性

C．培养过程中由于人工培养基含大量营养，不需光照就能发育成完整植株

D．人工培养基中含植物生长发育所需的全部营养物质，包括矿质元素、糖、维生素等
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补全对话，情景问答
从方框中选择正确的句子完成对话，其中两项为多余项。
A. Because it has the best clothing.
B. It has the worst music.
C. What's the best clothing store?
D. Because it has the most interesting music.
E. But easy Listening 979 is the most popular.
F. Just listen to their commercials.
G. What's the best radio station?
Reporter: Hi, I'm doing a survey for the Bedford Daily News. ______(1)
Boy: I guess Jammin' 107 FM is the best.
Reporter: Why?
Boy: ______(2) It's much better than the other stations in town.
Reporter: What about the other radio stations?
Boy: Well, I think Oldies 102.1 FM is very bad. ______(3)
Reporter: I heard that. ______(4)
Boy: Not for me.
Reporter: Why not?
Boy: ______(5) They're worse than the commercials of All Talk 970
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