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【单选题】
如图表示基因型为 AaBb(两对等位基因分别位对同源染色体上,假设不发生交叉互换的情况)的某哺乳动物产生生殖细胞的过程,错误的说法是( )
A.
过程表示细胞进行有丝分裂
B.
细胞中染色体数目减少一半是通过Ⅱ过程实现的
C.
一个A细胞经过减数分裂形成的C细胞有4种基因型
D.
该哺乳动物为雄性个体
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举一反三
【单选题】世界上成功利用水稻杂交优势的第一人是
A.
袁隆平
B.
钱学森
C.
竺可桢
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【单选题】you're staying with us ( ) two nights.
A.
about
B.
in
C.
over
D.
for
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【单选题】听力原文：W: Mr. Smith, you're going to be staying at the Dhaka Plaza Hotel for the first two nights of your trip, then you'll be going up to Bogra, where you'll be staying with the field officer Roland He...
A.
To plan a vacation.
B.
To compare hotel and flight packages.
C.
To finalize business trip details.
D.
To arrange a business meeting.
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【单选题】( )是世界上成功利用水稻杂交优势的第一人，为世界农业科技做出了重大贡献。
A.
童第周
B.
竺可桢
C.
钱学森
D.
袁隆平
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【单选题】《大公报》载文说：“几千年来，中国人所怀抱的观念是‘天下’，是‘家族’，近代西方的民族意识和国家观念，始终没有打入我们老百姓的骨髓里„„（今天〉我们从亡国灭种的危机中，开始觉悟了中国民族的整体性和不可分性。这是民族自觉史的开端，是真正的新中国国家的序幕”。上述转变主要是由于（）
A.
甲午中日战争
B.
五四新文化运动
C.
全面抗日战争
D.
中华民国成立
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【单选题】When she____next time,I____her everything.
A.
is going to come,shall tell
B.
will comes,shall tell
C.
comes,will tell
D.
come,will tell
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【判断题】NameNode格式化shell命令是:./bin/hdfs namenode -format
A.
正确
B.
错误
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【单选题】Prudence is careful to plan ahead. She is going to Paris next year to study. To protect herself from exchange rate uctuations, she bought a futures contract for the number of francs she plans to spend...
A.
she will be at least as well off an probably better off than if the exchange rate hadn't changed.
B.
she will be worse off than if exchange rates hadn't changed.
C.
she will be exactly as well off as if exchange rates hadn't changed
D.
she might be better off or she might be worse off, depending on whether she planned to spend more or less than she does at home.
查看完整题目与答案
【单选题】What does the professor imply when she says this?
A.
The parking lot will be right next to the water.
B.
The parking lot will not be as valuable as before.
C.
The parking lot will not exist any longer.
D.
The parking lot will be moved to a place far from the beach.
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【简答题】阅读理解 Whether you're headed to another country for business or pleasure, it is likely that you need to keep in touch with family or business partners in the United States. But if you plan to do that us...
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【单选题】世界上成功利用水稻杂交优势的第一人是
A.
袁隆平
B.
钱学森
C.
竺可桢
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【单选题】you're staying with us ( ) two nights.
A.
about
B.
in
C.
over
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【单选题】听力原文：W: Mr. Smith, you're going to be staying at the Dhaka Plaza Hotel for the first two nights of your trip, then you'll be going up to Bogra, where you'll be staying with the field officer Roland He...
A.
To plan a vacation.
B.
To compare hotel and flight packages.
C.
To finalize business trip details.
D.
To arrange a business meeting.
查看完整题目与答案
【单选题】( )是世界上成功利用水稻杂交优势的第一人，为世界农业科技做出了重大贡献。
A.
童第周
B.
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C.
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查看完整题目与答案
【单选题】《大公报》载文说：“几千年来，中国人所怀抱的观念是‘天下’，是‘家族’，近代西方的民族意识和国家观念，始终没有打入我们老百姓的骨髓里„„（今天〉我们从亡国灭种的危机中，开始觉悟了中国民族的整体性和不可分性。这是民族自觉史的开端，是真正的新中国国家的序幕”。上述转变主要是由于（）
A.
甲午中日战争
B.
五四新文化运动
C.
全面抗日战争
D.
中华民国成立
查看完整题目与答案
【单选题】When she____next time,I____her everything.
A.
is going to come,shall tell
B.
will comes,shall tell
C.
comes,will tell
D.
come,will tell
查看完整题目与答案
【判断题】NameNode格式化shell命令是:./bin/hdfs namenode -format
A.
正确
B.
错误
查看完整题目与答案
【单选题】Prudence is careful to plan ahead. She is going to Paris next year to study. To protect herself from exchange rate uctuations, she bought a futures contract for the number of francs she plans to spend...
A.
she will be at least as well off an probably better off than if the exchange rate hadn't changed.
B.
she will be worse off than if exchange rates hadn't changed.
C.
she will be exactly as well off as if exchange rates hadn't changed
D.
she might be better off or she might be worse off, depending on whether she planned to spend more or less than she does at home.
查看完整题目与答案
【单选题】What does the professor imply when she says this?
A.
The parking lot will be right next to the water.
B.
The parking lot will not be as valuable as before.
C.
The parking lot will not exist any longer.
D.
The parking lot will be moved to a place far from the beach.
查看完整题目与答案
【简答题】阅读理解 Whether you're headed to another country for business or pleasure, it is likely that you need to keep in touch with family or business partners in the United States. But if you plan to do that us...
查看完整题目与答案