【单选题】Computers are so popular in our country that every pupil knows _____ e-mails. [ ]
【单选题】《剑桥史》中这样记述: “1842年,《南京条约》取消了只准在广州进行中外资易和由广州特许的公行垄断商来进行中外贸易的限制,从而开始了国与国之间的外交关系。”这是因为《南京条约》的签订:( )
【单选题】Although I often send e-mails to Tom, I have never seen him _____________. [ ]
【单选题】I can send e-mails on the street when I wear _________.
A.
a coat with a computer
C.
clothes that can monitor our body
【单选题】( )是属于营养过剩型的膳食结构。
D.
以植物性食物为主、动物性食品为辅的东方型膳食结构
【简答题】内质网的标志酶是( ),溶酶体的标志酶是( ),过氧化物酶体的标志酶是( )。
【单选题】I prefer _____ e-mails to _____ letters. [ ]
【判断题】图书超期一天罚款1元,超期罚款每一册不超过原价的2倍。