问题
选择题
水稻叶肉细胞中的DNA主要存在于[ ]
A．细胞质
B．细胞核
C．线粒体
D．叶绿体
答案
答案：B
搜题请搜索小程序“爱下问搜题”
水稻叶肉细胞中的DNA主要存在于[ ]
A．细胞质
B．细胞核
C．线粒体
D．叶绿体
答案：B
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| Do you often think of your parents? You may say, "Of course, I 1 .I buy a present for my mother on Mother’s Day and on Father’s Day I give my father 2 , too.” But what about the other days of the year ? I have a friend whose parents live in another city. One day 1 went to see her. We had a nice conversation. Then she wanted to 3 . So she dialed(拨号) the number, but then she put down the phone. After about fifteen 4 , she dialed the number again “Hi, Mom… | |||
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