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【单选题】
关于酶与临床医学关系的叙述,错误的是()
A.
体液中的酶活性改变可用于疾病诊断
B.
乙醇可诱导碱性磷酸酶生成增加
C.
酶可用于治疗疾病
D.
酪氨酸酶缺乏可引起白化病
E.
细胞损伤时,细胞内的酶释入血中的量增加
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举一反三
【单选题】What is the main topic of the news item?
A.
Methane explosion in Turkey.
B.
Miscounting of the people died in the accident.
C.
Terrible working conditions of coal miners.
D.
The worst mining disaster in history.
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【单选题】Wang: I've got an appointment. I'm going to meet a friend in London at 3 p.m. It's already a quarter past 2. ______. David: I'm going to London. I can give you a lift if you like. Wang: Could you real...
A.
I'll never make it
B.
I'll never do it
C.
I'll never reach it
D.
I'll never attain it
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【单选题】Immediately before he hit his head on the board, the writer __________.
A.
climbed the ladder
B.
started the moves that would thrust him into the air
C.
knew he was too close to the board
D.
corrected his actions when he turned
查看完整题目与答案
【单选题】Questions 1 and 2 will be based on the following news item.
A.
Methane explosion in Turkey.
B.
Miscounting of the people died in the accident.
C.
Terrible working conditions of coal miners.
D.
The worst mining disaster in history.
查看完整题目与答案
【单选题】听力原文：After Susan carefully explained her ideas at the board meeting last week, the directors all voted for the change she's made concerning the proposed project. (22)
A.
The board of directors asked about the changes.
B.
The board of directors decided to invest more on the project.
C.
The board of directors approved the revisions.
D.
The board of directors could not understand her explanation.
查看完整题目与答案
【简答题】A．He was told to board the wrong plane. B．He was not allowed to board the plane. C．He arrived at the airport without a ticket. D．He found it difficult to explain why he arrived so early.
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【单选题】A US coal producer agreed to pay ________ total of $ 209 million for the mining accident that killed 29 people，________ worst such disaster in 40 years in the US.
A.
the；the
B.
a；a
C.
the；a
D.
a；the
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【多选题】对于蒽醌类化合物性质的描述正确的是
A.
蒽醌苷具有亲水性
B.
可用薄层色谱法进行鉴定
C.
可用碱液显色反应进行鉴别
D.
可用碱溶酸沉法进行提取
E.
具有升华性
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【单选题】The process of rescuing trapped miners is slow due to
A.
the difficulties of getting down into the coal mine.
B.
the great casualties of the mining accident.
C.
the risk of catching infectious disease.
D.
the continuous blasts inside the coal mine.
查看完整题目与答案
【简答题】BEIJING — The rescue operations at a coal mine accident have ended with 105 miners dead. The State Council has organized an investigation team to probe (调查) into what caused the disaster in the city o...
查看完整题目与答案
相关题目：
【单选题】What is the main topic of the news item?
A.
Methane explosion in Turkey.
B.
Miscounting of the people died in the accident.
C.
Terrible working conditions of coal miners.
D.
The worst mining disaster in history.
查看完整题目与答案
【单选题】Wang: I've got an appointment. I'm going to meet a friend in London at 3 p.m. It's already a quarter past 2. ______. David: I'm going to London. I can give you a lift if you like. Wang: Could you real...
A.
I'll never make it
B.
I'll never do it
C.
I'll never reach it
D.
I'll never attain it
查看完整题目与答案
【单选题】Immediately before he hit his head on the board, the writer __________.
A.
climbed the ladder
B.
started the moves that would thrust him into the air
C.
knew he was too close to the board
D.
corrected his actions when he turned
查看完整题目与答案
【单选题】Questions 1 and 2 will be based on the following news item.
A.
Methane explosion in Turkey.
B.
Miscounting of the people died in the accident.
C.
Terrible working conditions of coal miners.
D.
The worst mining disaster in history.
查看完整题目与答案
【单选题】听力原文：After Susan carefully explained her ideas at the board meeting last week, the directors all voted for the change she's made concerning the proposed project. (22)
A.
The board of directors asked about the changes.
B.
The board of directors decided to invest more on the project.
C.
The board of directors approved the revisions.
D.
The board of directors could not understand her explanation.
查看完整题目与答案
【简答题】A．He was told to board the wrong plane. B．He was not allowed to board the plane. C．He arrived at the airport without a ticket. D．He found it difficult to explain why he arrived so early.
查看完整题目与答案
【单选题】A US coal producer agreed to pay ________ total of $ 209 million for the mining accident that killed 29 people，________ worst such disaster in 40 years in the US.
A.
the；the
B.
a；a
C.
the；a
D.
a；the
查看完整题目与答案
【多选题】对于蒽醌类化合物性质的描述正确的是
A.
蒽醌苷具有亲水性
B.
可用薄层色谱法进行鉴定
C.
可用碱液显色反应进行鉴别
D.
可用碱溶酸沉法进行提取
E.
具有升华性
查看完整题目与答案
【单选题】The process of rescuing trapped miners is slow due to
A.
the difficulties of getting down into the coal mine.
B.
the great casualties of the mining accident.
C.
the risk of catching infectious disease.
D.
the continuous blasts inside the coal mine.
查看完整题目与答案
【简答题】BEIJING — The rescue operations at a coal mine accident have ended with 105 miners dead. The State Council has organized an investigation team to probe (调查) into what caused the disaster in the city o...
查看完整题目与答案