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【单选题】
内质网上进行 N- 连接的糖基化,糖的供体为A.
半乳糖 (galactose)
B.
核苷糖 (nucleotide sugar)
C.
N- 乙酰葡糖胺 (N-acetyglucosamine)
D.
N- 乙酰半乳糖胺 (N-acetygalactosamine)
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举一反三
【单选题】PART C Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each que...
A.
consumers spend their money at will
B.
consumers spend their money in accordance with producers' desire
C.
consumers' actions in the marketplace have nothing to do with the businessmen
D.
consumer's actions affect production greatly
【单选题】PART C Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each que...
A.
Several explorers.
B.
Representatives of Congress.
C.
President Grant.
D.
A group of animal lovers.
【单选题】PART C Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each que...
A.
In the early 1810s.
B.
In the early 1820s.
C.
In the early 1830s.
D.
In the early 1840s.
【单选题】PART C Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each que...
A.
The benefits of nuclear weapons.
B.
The environmental pollution caused by nuclear-powered stations.
C.
The disadvantages of used fuel.
D.
The advantages of nuclear-powered stations.
【单选题】The audience ______ before TV sets are listening to Yi Zhongtian’s stories with their eyes _____ upon him.
A.
seating；fixing
B.
seated；fixing
C.
seated；fixed
D.
seating；fixed
【单选题】PART C Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each que...
A.
150.
B.
151.
C.
152.
D.
153.
【单选题】第二篇Listening Comprehension:A.It was produced before AD 400.B.It was produced before
A.
11：第二篇Listening Comprehension: A.It was produced before AD 400.
B.
It was produced before AD 200.
C.
It was produced before AD 100.
D.
It was produced before AD 50.
【单选题】PART C Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each que...
A.
The Southeast.
B.
The Northwest.
C.
The Southwest.
D.
The central part of the state.
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