皮皮学，免费搜题
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【多选题】
真核生物 mRNA 的结构特点是
A.
5 ’—末端接 m7GPPP
B.
3 ’一末端接多聚腺苷酸
C.
分子中含有遗传密码
D.
所有碱基都具有编码氨基酸的作用
E.
通常以单链形式存在
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参考解析：
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【单选题】Vicki: Hey Matt, are you feeling OK? I don't think you're looking too well today. Matt: No, not really. I've got a temperature, a headache, a sore throat... I think I'm ______ something.
A.
coming down with
B.
bringing down
C.
cooling down
D.
getting over
查看完整题目与答案
【单选题】Why did the Chinese student always try to pay for Matt?
A.
Because Matt did have Chinese currency.
B.
The graduate student wanted to show he was a good host and to make the professor feel welcome.
C.
Because he earns much more money than Matt.
查看完整题目与答案
【单选题】32 Compared with the country with the longest lire expectancy, the U. S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 6 years behind.
D.
nearly 8 years behind.
查看完整题目与答案
【简答题】阅读理解。 Matt and his wife lived in the country. Matt was very mean and hated spending money. One day a fair(交易会)came to the nearby town. They went to the fair and looked at all the things to buy. Matt's...
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【单选题】42 Compared with the country with the longest Life expectancy, the U. S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 6 years behind.
D.
nearly 8 years behind。
查看完整题目与答案
【单选题】There could be no real cattlemen in Matt's Saloon on Saturday night, because ______.
A.
Matt's Saloon caters to guests from Europe instead of cattlemen.
B.
the ranchers dislike this impudent tourism.
C.
it is too costly to afford for cattlemen.
D.
it is tough to earn a living in that city.
查看完整题目与答案
【单选题】Compared with the county with the longest life expectancy, the U.S.is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 8 years behind.
D.
nearly 6 years behind.
查看完整题目与答案
【简答题】Matt and his wife lived in the country. Matt was very mean and hated spending money. One day a fair（交易会）came to the nearby town. They went to the fair and looked at all the things to buy. Matt’s wife ...
查看完整题目与答案
【单选题】Compared with the country with the longest life expectancy, the U. S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 6 years behind.
D.
nearly 8 years behind.
查看完整题目与答案
【单选题】Compared with the country with the longest life expectancy，the U.S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 8 years behind.
D.
nearly 6 years behind.
查看完整题目与答案
相关题目：
【单选题】Vicki: Hey Matt, are you feeling OK? I don't think you're looking too well today. Matt: No, not really. I've got a temperature, a headache, a sore throat... I think I'm ______ something.
A.
coming down with
B.
bringing down
C.
cooling down
D.
getting over
查看完整题目与答案
【单选题】Why did the Chinese student always try to pay for Matt?
A.
Because Matt did have Chinese currency.
B.
The graduate student wanted to show he was a good host and to make the professor feel welcome.
C.
Because he earns much more money than Matt.
查看完整题目与答案
【单选题】32 Compared with the country with the longest lire expectancy, the U. S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 6 years behind.
D.
nearly 8 years behind.
查看完整题目与答案
【简答题】阅读理解。 Matt and his wife lived in the country. Matt was very mean and hated spending money. One day a fair(交易会)came to the nearby town. They went to the fair and looked at all the things to buy. Matt's...
查看完整题目与答案
【单选题】42 Compared with the country with the longest Life expectancy, the U. S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 6 years behind.
D.
nearly 8 years behind。
查看完整题目与答案
【单选题】There could be no real cattlemen in Matt's Saloon on Saturday night, because ______.
A.
Matt's Saloon caters to guests from Europe instead of cattlemen.
B.
the ranchers dislike this impudent tourism.
C.
it is too costly to afford for cattlemen.
D.
it is tough to earn a living in that city.
查看完整题目与答案
【单选题】Compared with the county with the longest life expectancy, the U.S.is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 8 years behind.
D.
nearly 6 years behind.
查看完整题目与答案
【简答题】Matt and his wife lived in the country. Matt was very mean and hated spending money. One day a fair（交易会）came to the nearby town. They went to the fair and looked at all the things to buy. Matt’s wife ...
查看完整题目与答案
【单选题】Compared with the country with the longest life expectancy, the U. S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 6 years behind.
D.
nearly 8 years behind.
查看完整题目与答案
【单选题】Compared with the country with the longest life expectancy，the U.S. is
A.
nearly 3 years behind.
B.
nearly 4 years behind.
C.
nearly 8 years behind.
D.
nearly 6 years behind.
查看完整题目与答案