The ball ________ two or three times before rolling down the slope

A.calm

B.call

C.fall

D.ball

stics competitions.Your cooperation is appreciated.

I tried to catch the ball but it was______my reach.

A．beyond

B．besides

C．in addition to

D．as well as

y different kinds of games C．only one ball game D．different games with similar roles

American football and British football C．two village ball games D．two new football games

layed Games C．Egyptian Sports D．The Beginning of Sports

A、He kicked the ball only several meters away.[Intended meaning: He didn’t kick the ball too far, only a few meters away.]

B、She talked too quietly

C、You had better express your options carefully in public

D、None of the above

A.PW

B.WW

C.TW

D.KW

A.PW

B.RW

C.TW

D.CW

A.YG

B.YT

C.TW

D.YR

已知湿空气的下列哪两个参数，利用H—I图可以查得其他未知参数？（)

A . (t，tw)

B . (td，H)

C . (P，H)

D . (I，tw)