1、题目47:There are lots of () that students have to follow in school.

A. 　How often

B. 　How soon

C. 　How long

D. 　How far

A. 　{x|-3<x<3}

B. 　{x|x>3或x<-3}

C. 　{x|-3≤x<3}

D. 　{x|x≥3或x<-3}

A. 　how happy was he

B. 　how happy he was

C. 　how was he happy

D. 　how he happy was

A. 　heavy

B. 　hardly

C. 　heavily

D. 　strongly

A. 　a

B. 　an

C. 　the

D. 　/

A. 　damaged

B. 　were damaged

C. 　were damaging

D. 　are damaged

A. 　open

B. 　to open

C. 　opened

D. 　opening

A. 　relationship

B. 　agreement

C. 　environment

D. 　investment

A. 　eat

B. 　have eaten

C. 　ate

D. 　am going to eat

A. 　How far

B. 　How much

C. 　How often

D. 　How soon