【单选题】—Is he _____a movie on TV? —No. he's_____an e-mail. [ ]
【简答题】听下面段对话,回答第1、2小题。 1. Jack used to enjoy . [ ] A. listening to classical music B. listening to rock music C. doing sports 2. Jane's hobby is . [ ] A. listening to music B. painting C. doing spor...
【单选题】关于磨床操作,以下说法中错误的是 ( ) 。
【多选题】下列描述正确的是()
B.
皮肤,肝和呼吸系统是生物体与外界隔离的主要屏障
C.
化学毒物进入体内的主要途径是消化道,呼吸道和皮肤
D.
一种化学毒物的急性和慢性作用通常可能发生在不同的系统中
【单选题】关于磨床操作,以下说法中错误的是 ( A ) 。
C.
开机前应先进行手动调整,使砂轮和工件留有适当的间隙
【单选题】We are supposed to dress up as movie characters for the party, what a(n) ________ idea! [ ]
【单选题】Listening Exercise. watch the movie, and complete E1-4. U2-father_son_universe-1.WMV What was the boy interested in?
D.
The outer space and planets
【单选题】小测验 1.The whole class _____ the teacher attentively.