皮皮学，免费搜题
登录
搜题
【单选题】
自20世纪70年代以来，生物科学高速发展，新成就层出不穷。1978年诞生的世界上第一例“试管婴儿”，为不孕症患者带来了福音；1996年第一只克隆动物“多莉”问世，证明了高度分化的动物体细胞的细胞核仍然保持有全能性。制造“试管婴儿”和克隆动物所采用的生殖别是 [ ]A.
都属于有性生殖
B.
前者属于有性生殖，后者属于无性生殖
C.
都属于无性生殖
D.
前者属于无性生殖，后者属于有性生殖
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．Today's seminar was informative. B．Another seminar will take place the following week. C．Next week's seminar is on a different topic. D．There will be two seminars next week.
【简答题】Colloquium usually refers to a large academic seminar and it is ______ than seminar.
【单选题】下列关于采样时间和采样频率正确的是
A.
大的江河、湖泊、水库每月至少采集2次
B.
小河流至少在平水期、枯水期和丰水期各采集一次
C.
污染控制经测井逢双月采样一次，全年六次
D.
常规监测采样可以不避开雨天
【简答题】SCIENCE SEMINAR Any student is welcome to join the seminar section of our core science program．In the seminar, we read, discuss, and write about various topics in science and mathematics． We assume no...
【简答题】过滤器失效点的判断指标为( )、( )和( ),三者之一均可作为判断指标。
【简答题】1 The seminar will help you become a better manager. (该研讨会能帮助你成为一名合格的管理者。)
【单选题】Seminar Schedule All lectures will be from 9:00 a.m. to 12:25 p.m. Please note that there will be no lecture on May 5. To: Kimberly Ward From: Yasunobu Takagi Subject: Thanks I felt that your help was...
A.
Business logistics
B.
Internet's evolution
C.
Internet business
D.
Maintaining a site
【单选题】听力原文：M: Aren't you the woman who gave the computer seminar at the city library last winter? W: Yes, I am. I thought you looked familiar. M: I' m so glad I took your seminar. I thought that it would be...
A.
Taught a class
B.
Donated some computers
C.
Moved to a new home
D.
Transferred to another branch
【单选题】下列哪种情况不产生断线( )
A.
多个数据源直接连接至同一个显示控件
B.
索引输入的For循环的循环总数【N】接线端未连线
C.
将路径连接至条件选择器
D.
连线不兼容的数据类型
相关题目：