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【多选题】
类脂包括A.
磷肝
B.
糖脂
C.
甘油三酯
D.
胆固醇及其酯
E.
脂肪
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【简答题】判断下列句子是否符合你听到的短文内容，符合的用（T）表示，不符合的用（F）表示。 ( )1. In London, Paris, New York and Tokyo there are too many cars in the street. ( )2. Tokyo's nightclubs are seldom empty at night. ( )3. It is r...
【单选题】Trials 1 and 3 provide evidence that heat flow depends on which of the following factors?
A.
Distance between walls
B.
Contact area
C.
Temperature of the hotter wall
D.
Temperature of the cooler wall
【简答题】如图是食物经过人体消化道时，糖类、蛋白质和脂肪被化学消化的程度，字母表示组成消化道各器官的排列顺序．请据图回答． （1）曲线甲是______的消化，曲线乙是______的消化，曲线丙是______的消化． （2）蛋白质最初被消化是在[______]______． （3）消化道中消化吸收的主要部位是[______]______． （4）胰腺分泌的胰液，肝脏分泌的胆汁从______进入消化道．
【简答题】设全集U={x|x<8,x∈N},A={2,3,4,5},B={x|x是小于8的正奇数}。 (1)用列举法表示集合U和B; (2)求A∩B,A∪B; (3)求A∩
【简答题】Singapore’s public transport system is one of the best in the world, so you should have no problem finding your way around like a local. There are three main forms of public transport that y ou would ...
【单选题】Y-trains are for the convenience of ( )and their destinations are the popular sights.
A.
tourists
B.
railway staff
C.
businessmen
D.
students
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