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【单选题】
下列对孟德尔的豌豆杂交实验以及假说-演绎法的叙述正确的是A.
孟德尔在观察、分析和验证的基础上提出假说
B.
“体细胞中遗传因子是存在的”属于观察结果
C.
“Dd D_:dd=3:1”属于假说的内容
D.
测交实验的结果能检测预期结论是否正确
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反馈参考答案：
举一反三
【单选题】At first we thought we could reach our _____ on time, but we have been delayed by the traffic jam.
A.
published
B.
destination
C.
devote
D.
distinguishes
【单选题】Don't worry! We still have five minutes to reach the beach . [ ]
A.
by the time
B.
in time
C.
on time
【单选题】与Dear Sirs,匹配的结尾敬语是( )
A.
yours Faithfully,
B.
Yours faithfully,
C.
Sincerely yours,
D.
Best wishes,
【单选题】To make the goods reach you ( ) time we sent them by rail to Liverpool three days ahead of schedule.
A.
in
B.
on
C.
for
D.
at
【简答题】西方现代管理思想的主要思想学派及代表人物有哪些?
【单选题】To make the goods reach you ( ) time we sent them by rail to Liverpool three days ahead of schedule.
A.
in
B.
for
C.
wihout
D.
on
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