皮皮学，免费搜题
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【单选题】
有婴幼儿发育异常史的夫妇应首先进行( )
A.
遗传咨询
B.
家谱分析
C.
染色体检查
D.
基因检测
E.
绘制出家系图
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】When the teacher came into the classroom, all of us __________ the classroom.
A.
are cleaning
B.
were cleaning
C.
cleaned D are  cleaned
查看完整题目与答案
【单选题】听力原文： World Environment Day was established by the United Nations General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. World Environment Day can be celebr...
A.
In 1992.
B.
In 2000.
C.
In 2004.
D.
In 1972.
查看完整题目与答案
【单选题】There isn’t a teacher in the classroom and all the students are talking. So the classroom is        ________.
A.
quiet                    
B.
strict                  
C.
noisy
查看完整题目与答案
【判断题】原文:in the green tree 译文:最佳状态
A.
正确
B.
错误
查看完整题目与答案
【单选题】Their classroom is _____ than ours, that is to say, their classroom is as small as ours.
A.
much bigger
B.
much smaller
C.
no bigger
D.
less small
查看完整题目与答案
【单选题】According to the speaker Liu Yuhan, which one does she prefer, the traditional classroom or the online classroom?
A.
traditional classroom
B.
online classroom
查看完整题目与答案
【单选题】听力原文： (32)World Environment Day was established by the United Nations General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. (33)World Environment Day can b...
A.
In 1992.
B.
In 2000.
C.
In 2004.
D.
In 1972.
查看完整题目与答案
【单选题】听力原文： World Environment Day was established by the United Nations General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. World Environment Day can be celebr...
A.
In 1992.
B.
In 2000.
C.
In 2004.
D.
In 1972.
查看完整题目与答案
【单选题】听力原文：M: Good evening and welcome to our program. Our guest is Mrs. Green, who is an expert in the field of environ mental protection. Welcome to our program, Mrs. Green. W: Thank you. M: Well, we hear...
A.
Keys to paper recycling.
B.
Importance of recycling.
C.
Keys to recycling improvement.
D.
Technological progress in recycling.
查看完整题目与答案
【单选题】听力原文： We hear it a lot in the news these days: 'Recycle newspapers and save a tree. Collect bottles and calls so they can be reused in the manufacturing of new products.' Protecting our delicate envir...
A.
Important Keys to Recycling Paper.
B.
Technological Advances Improve Recycling.
C.
Steps to Improve Recycling.
D.
A Greater Demand for Improving Recycling.
查看完整题目与答案
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【单选题】When the teacher came into the classroom, all of us __________ the classroom.
A.
are cleaning
B.
were cleaning
C.
cleaned D are  cleaned
查看完整题目与答案
【单选题】听力原文： World Environment Day was established by the United Nations General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. World Environment Day can be celebr...
A.
In 1992.
B.
In 2000.
C.
In 2004.
D.
In 1972.
查看完整题目与答案
【单选题】There isn’t a teacher in the classroom and all the students are talking. So the classroom is        ________.
A.
quiet                    
B.
strict                  
C.
noisy
查看完整题目与答案
【判断题】原文:in the green tree 译文:最佳状态
A.
正确
B.
错误
查看完整题目与答案
【单选题】Their classroom is _____ than ours, that is to say, their classroom is as small as ours.
A.
much bigger
B.
much smaller
C.
no bigger
D.
less small
查看完整题目与答案
【单选题】According to the speaker Liu Yuhan, which one does she prefer, the traditional classroom or the online classroom?
A.
traditional classroom
B.
online classroom
查看完整题目与答案
【单选题】听力原文： (32)World Environment Day was established by the United Nations General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. (33)World Environment Day can b...
A.
In 1992.
B.
In 2000.
C.
In 2004.
D.
In 1972.
查看完整题目与答案
【单选题】听力原文： World Environment Day was established by the United Nations General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. World Environment Day can be celebr...
A.
In 1992.
B.
In 2000.
C.
In 2004.
D.
In 1972.
查看完整题目与答案
【单选题】听力原文：M: Good evening and welcome to our program. Our guest is Mrs. Green, who is an expert in the field of environ mental protection. Welcome to our program, Mrs. Green. W: Thank you. M: Well, we hear...
A.
Keys to paper recycling.
B.
Importance of recycling.
C.
Keys to recycling improvement.
D.
Technological progress in recycling.
查看完整题目与答案
【单选题】听力原文： We hear it a lot in the news these days: 'Recycle newspapers and save a tree. Collect bottles and calls so they can be reused in the manufacturing of new products.' Protecting our delicate envir...
A.
Important Keys to Recycling Paper.
B.
Technological Advances Improve Recycling.
C.
Steps to Improve Recycling.
D.
A Greater Demand for Improving Recycling.
查看完整题目与答案