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【單選題】
基因型為AABBCC豌豆與aabbcc豌豆雜交,產(chǎn)生的F2用秋水仙素處理幼苗后得到的植株是
A.
二倍體
B.
三倍體
C.
四倍體
D.
六倍體
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參考答案:
舉一反三
【單選題】Why did Alfred Nobel return to Sweden? Because his father__________.
A.
went bankrupt
B.
was put in prison
C.
was ill
D.
died
查看完整題目與答案
【單選題】The aim for the author to write the passage is__________.
A.
to tell us how to use the computer
B.
to introduce a web site for the computer beginners
C.
to 1et us read a book about computer carefully
D.
to ask us to learn Internet
查看完整題目與答案
【單選題】It is_________ to read a book about computer.
A.
very easy
B.
quite difficult
C.
quite tired
D.
more interesting
查看完整題目與答案
【單選題】The web site mentioned in the passage serves__________.
A.
the new computer users
B.
the middle school students
C.
the computer experts
D.
the experienced computer users
查看完整題目與答案
【單選題】What was Alfred Nobel always searching for?
A.
More time and more money.
B.
A meaning to life.
C.
Ho w to end the war.
D.
The peace between nations.
查看完整題目與答案
相關(guān)題目:
【單選題】Why did Alfred Nobel return to Sweden? Because his father__________.
A.
went bankrupt
B.
was put in prison
C.
was ill
D.
died
查看完整題目與答案
【單選題】The aim for the author to write the passage is__________.
A.
to tell us how to use the computer
B.
to introduce a web site for the computer beginners
C.
to 1et us read a book about computer carefully
D.
to ask us to learn Internet
查看完整題目與答案
【單選題】It is_________ to read a book about computer.
A.
very easy
B.
quite difficult
C.
quite tired
D.
more interesting
查看完整題目與答案
【單選題】The web site mentioned in the passage serves__________.
A.
the new computer users
B.
the middle school students
C.
the computer experts
D.
the experienced computer users
查看完整題目與答案
【單選題】What was Alfred Nobel always searching for?
A.
More time and more money.
B.
A meaning to life.
C.
Ho w to end the war.
D.
The peace between nations.
查看完整題目與答案
參考解析:
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