皮皮学,免费搜题
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搜题
【单选题】
炎症介质中前列腺素和白三烯的前体是( )
A.
细胞膜磷脂
B.
饱和脂肪酸
C.
花生五烯酸
D.
花生四烯酸
E.
花生三烯酸
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【单选题】下列电解质中,属于弱电解质的是()。
A.
碳酸氢钠
B.
氢氧化钡
C.
氯化钠
D.
醋酸
【单选题】下列电解质中属于弱电解质的是
A.
HAc
B.
HCl
C.
NaOH
D.
NaCl
【单选题】PART 4 Read the text and questions below. For each question, mark the letter next to the correct answer —A, B, C or D —on your answer sheet. John Fisher, a builder, and his wife Elizabeth wanted more ...
A.
describe how to turn an old tower into a house
B.
recommend a particular builder
C.
describe what it is like to live in a tower
D.
explain how to win prizes for building work
【单选题】PART 4 Read the text and questions below. For each question, mark the letter next to the correct answer —A, B, C or D —on your answer sheet. Orbis is an organisation which helps blind people everywher...
A.
to describe a erous trip
B.
to report a patient's cure
C.
to explain how sight can be lost
D.
to warn against playing with sticks
【单选题】PART 4 Read the text and questions below. For each question, mark the letter next to the correct answer —A, B, C or D —on your answer sheet. If you want to take the whole family on holiday, and keep e...
A.
to give her opinion of the holiday village
B.
to describe what her family did at the holiday village
C.
to give advice to a friend going to the holiday village
D.
to complain about the holiday village
【简答题】队列练习有原地队列动作和__________。
【判断题】队列练习有原地队列动作和行进间队列动作。
A.
正确
B.
错误
【简答题】队列练习有原地队列动作和 队列动作。队形练习有图形行进、队形变换、散开和靠拢等。
【单选题】PART 4 Read the text and questions below. For each question, mark the letter next to the correct answer —A, B, C or D —on your answer sheet. The shoemaker Bill Bird is a shoemaker who cannot make shoe...
A.
describe where Mr Bird finds his staff
B.
encourage people to wear comfortable shoes
C.
advertise a job selling expensive shoes
D.
show Mr Bird's worries about his trade
【单选题】下列电解质中属于弱电解质的是
A.
氢氧化钾
B.
氢氧化钡
C.
氯化钠
D.
乙酸
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