【简答题】B4U2expressions in use.docx
【单选题】认为对外贸易应该遵循“卖给外国人的商品总值应大于购买他们的商品总值”的理论是()
【简答题】Expressions in use ( B4 Unit 2).docx
【简答题】Expressions in use 2
【判断题】深层空气过滤介质主要有两种,一种是以纤维状物(棉花、玻璃纤维、涤纶、微尼纶等)或颗粒状物质(如活性炭)为介质所构成的过滤器;一种是以微孔滤纸、滤板、滤棒构成的过滤器。
【简答题】B2U2expressions in use.docx
【简答题】Expressions in use: 2(1分)
【判断题】以纤维状物或颗粒状物质为介质所构成的过滤器的特点:过滤层厚度大,体积大,吸收油水能力小,更换时操作麻烦
【单选题】听力原文:M: Jenny, could you forward this memo to all the staff? W: Sorry, the computer broke down just now: I' ll do it for you as soon as I have it fixed. Q: What does the woman imply? (13)
A.
She has to post the memo instead.
B.
She has to turn down the man' s request.
C.
She' s not sure if the computer is fixed.
D.
She can't send the memo right now.