The function of the sentence "A nice day, isnt it？" is______.A．informativeB．phaticC．direct

机体对HBV有免疫力的指标是

A.A

B.B

C.C

D.D

E.E

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Which of the following sentences is an emphatic sentence(强调句)？

A．What he means, in other words, his intentions is more annoying than his words.

B．His intentions instead of his words have annoyed me.

C．I was annoyed by his intentions rather than what he means.

D．It is what he means rather than what he says that annoys me.

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传染性强的指标（俗称大三阳）是

A.A

B.B

C.C

D.D

E.E

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顶棚有直接式和悬吊式两种，其中悬吊式称为吊顶。()

How many people are unemployed in America according to OECD？

A．3.6 million.

B．13 million.

C．34 million.

D．44 million.

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