皮皮学，免费搜题
登录
搜题
【单选题】
染色体的倍性改变的机制可能有 ( )。A.
染色体断裂及断裂之后的异常重排
B.
染色体易位
C.
染色体倒位
D.
染色体核内复制
E.
姐妹染色单体交换
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】完成句子 小题1:The twins look __________in some ways, and they look different in some ways.(相同) 小题2:Most students go to school __________ in this city.(步行) 小题3:My grandpa is pretty healthy because he ______...
【单选题】There are three ways in which a banker may take security for an advance: ______. (1) by lien (2) by pledge (3) by mortgage (4) by indemnity
A.
(1) (2) (3)
B.
(1) (2) (4)
C.
(2) (3) (4)
D.
(1) (3) (4)
【单选题】It is reported that the scientists in our country are _____ all possible ways to control H1N1 flu. [ ]
A.
operating
B.
designing
C.
replacing
D.
exploring
【简答题】Ways in which people debated the merits of different ways of teaching reading
【简答题】A．Two ways. B．Three ways. C．Four ways. D．Five ways.
【简答题】三. 句型转换 ( 10分) 1. There are different ways of doing this. There are ________________ ways of doing this. 2. He is more than my teacher; he is my friend. He is ____________ _____________ my teacher; he...
【简答题】完型填空。 Tina and Tara are sisters. They are the __ 1 in some ways, but different in other ways. _2_ Tina and Tara are thin with short hair. They are both outgoing and popular, _3_ . Tina is much __ 4 _...
【简答题】-- We know there are lots of ways to avoid getting H1N1. -- Yes, but in a word, we should care for our health at any time. (
相关题目：
参考解析：
知识点：
题目纠错 0
发布
