青书学堂: (13). (问答题) A. w a ll B. d oor C. t a ll D. w or d (本题2.0分)
举一反三
- 青书学堂: (11). (问答题) A. d oo r B. g oo d C. b oo k D. l oo k (本题2.0分)
- I don’t think it’ll rain, but I’ll take an umbrella ______ it does. A. like B. in case C. unless D. as if
- 【单选题】对于不饱和空气,其干球温度t,湿球温度t w 和露点t d 之间的关系为:() A. t w >t>t d B. t>t w >t d C. t d > t>t w D. t d >t w >t
- 17. I don't doubt ________ he'll come. A: A. that B: B. if C: C. what D: D. whether
- This is _______“a” and that is _______ “w”.A. an, an B. a, a C. a, an D. an, a A: an,an B: a,a C: a,an D: an,a