6) Rubber is _________, so a ball made of rubber is easy to bounce.

The plane ______ at 7:00 pm, so I have to be at the airport by 6:40 at the latest.

It includes message, notice, letter, advertisement, ________ and so on. In cet-4 or 6 tests, letters are the main focus.

The play begins at 6:40 p.m. So we have to be at the theatre ______ 6:30 p.m. at the latest. A: after B: B. around C: C. until D: D. by

The little boy can not carry such a heavy box, _____ he is noly 6 years old. A: so B: and C: or D: for

煤的元素分析结果如下SO.6%:H3.7%:C79.5%;NO.9%;O4.7%;灰分10.6%.在空气过剩20%条件下完全燃烧。计算烟气中 [tex=1.786x1.214]7WNj6K1sT0/WI5nYCN0TDw==[/tex]的浓度

【单选题】It is going to be fine tomorrow, ______. A. So is it B. So it is C. So it does D. So does it A. So is it B. So it is C. So it does D. So does it

It is impossible for little children to do much work in a short time. A: so; so; such B: such; so; such C: so; such; such D: such; such; so

Wang Dong usually gets up at 6:00 _______ he can catch the early school bus. A: as if B: so that C: until D: afte

The train leaves at 6:00 p.m. So I have to be at the station ____5:40 p.m. at the latest. A: until B: after C: by D: around