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【单选题】
下列关于单倍体的叙述中，不正确的是 [ ]A.
单倍体的体细胞中只有一个染色体组
B.
花粉粒发育成的植株是单倍体
C.
卵细胞直接发育成的雄蜂是单倍体
D.
体细胞中含有本物种配子染色体数目的个体叫单倍体
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【简答题】在电子商务分类中, 模式是指企业间的电子商务
【简答题】一、 句型转换1. When he heard the news, he jumped with joy. _________ the news, he jumped with joy. 2. As she was ill, she went home. ________ ill, she went home.3. The girl came in and she smiled. The gir...
【单选题】For a whole night he sat at the desk, ________ his research paper.
A.
to write
B.
wrote
C.
writing
D.
had written
【简答题】He sat at the desk, (read) a newspaper.
【简答题】输尿管全长分 、 和 3 部分 。
【单选题】You can buy a cup of ________ coffee and get afree newspaper at that store.
A.
quick
B.
fast
C.
immediate
D.
instant
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