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【简答题】
Who was Jack? Jack was . 2.偶然的;意外的: 3.去旅行: 4.打车:
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【简答题】Section 1 Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark [A], [B], [C] or [D] on ANSWER SHEET 1. (10 points) Happy people work differently...
【多选题】稳定流体系统的总能量衡算式所包括的能量可以划分为两大类:一类是机械能,即( ),此类能量在流体流动过程中可以互相转变;另一类能量不能直接转变为机械能而用于流体输送。
A.
位能
B.
内能
C.
外功
D.
动能
E.
热能
F.
静压能
【简答题】Fill in the blanks with words or phrases from the box below. Change the form where necessary. (45 页 1.2 ) uncertain strive for buy into lead to derive from for the sake of hold onto advo...
【多选题】稳定流体系统的总能量衡算式所包括的能量可以划分为两大类:一类是机械能,此类能量在流体流动过程中可以互相转变;另一类包括( ),这类能量不能直接转变为机械能而用于流体输送。
A.
位能
B.
内能
C.
外功
D.
动能
E.
热能
F.
静压能
【简答题】Shoppers in the UK are spending less money on toilet paper to save money, research has shown. Penny-pinching UK consumers choose cheaper products from discounters such as Aldi and Lidl rather than lux...
【简答题】Listen to the following Special English and fill in the blanks with the word(s) you hear. Moving from one place to another is always an adventure. No amount of research can prepare you for the sur...
【单选题】The research scientists often meet with problems______new types of instruments for their solution.
A.
require
B.
to require
C.
required
D.
requiring
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