提示:一位女士在商店为儿子挑选T恤衫,大小和式样都合适,也有喜欢的颜色,但价格太高。
(Shop Assistant = S; Customer = C)
S:Good morning, madam. (1) ?
C:Yes.You see,I&39;m looking for a T-shirt for my son.
S:We have a large variety of T-shirts.What about this one?
C: Oh.I like it. (2) ?
S:Let me see...Size 4,6...Yes,we have size 8.Here you are.
C:Urn,but I don&39;t really like this color. (3) ?
S:Yes, we also have pink, orange, black, blue, and...
C:Good.I think blue is nice. (4) ?
S:It&39;s $ 50.
C:Oh, really? I&39;m afraid (5) .I&39;ll have to think about it.
请帮忙给出每个问题的正确答案和分析,谢谢!
A.能辨别面额,票面剩余为二分之一(含)
B.能辨别面额,票面剩余四分之三(含四分之三)以上
C.纸币呈正十字形缺少四分之一的
D.能辨别面额,票面剩余为三分之二的
当比赛进行中,一个队在本方罚球区内由于违反了可判为直接任意球的()种规定之一而被判的任意球,应执行球点球。
A.8
B.9
C.10
A.细胞能发出信号向免疫细胞求救
B.利用T细胞上的受体-可发现大量细菌或病毒,并将受其感染的细胞杀死
C.人体免疫细胞能发现并杀死被感染的细胞,而不伤害健康的细胞
D.利用X射线晶体分析法,发现了肽与T细胞合作的奥秘