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【单选题】
下列关于杂交优势育种说法中正确的有（ ）。A.
培育的品种杂合度、一致性较差
B.
主要利用加性、上位效应
C.
从育种讲是先杂后纯
D.
从育种讲是先纯后杂
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【单选题】Choose the best answer for the following questions according to the text Why materials are so important in the modern times? ___
A.
Materials influence our everyday lives and accelerate the development and advancement of societies
B.
They are deep-seated in our culture.
C.
There are many kinds of materials.
D.
They are very expensive.
【单选题】Go through Text A with the tape and choose the best answer for the following questions. 1. What impressed the author so much about Mark’s response to the author’s correcting?
A.
He paid no attention to what the author said.
B.
He kept talking despite the fact that the author corrected him for misbehaving.
C.
He responded to the author’s criticism in a sincere way.
D.
He lost patience after hearing about the teacher’s criticism.
【判断题】We’d better not prepare any discussion questions about the pre-reading video so as to save time for students to read the text.
A.
正确
B.
错误
【单选题】下列文化常识解说,不正确的一项是( )
A.
寡人，即为寡德之人，意为“在道德方面做得不足的人”，是古代君主、诸侯王对自己的谦称。古代诸侯夫人也有自称寡人的。自唐以后，少有自称寡人者。
B.
乡试是古代科举制度中的中央考试，考生以举人身份参加，一般在春天举行，又叫“春闱”或“礼闱”。
C.
国本，古代特指确定皇位继承人，建立太子为国本。“国本”也指国家藏本。例如韩愈《画记》中“余少时，常有志乎兹事，得国本，绝人事而摸得之”。
D.
节度，节制约束、调度指挥之意，掌握古代地方军政大权。唐朝初期在边境设置，宋代初期解除兵权，成为一种象征荣誉的虚职。
【多选题】Questions 24-26 47 曲目 47.mp3: Choose Three letters a-g Which Three ways does the tutor suggest Monica and Tom can improve their questionnaire?
A.
make the questions shorter
B.
make the questions simpler
C.
increase the number of questions
D.
ask more questions about the students’ home
E.
not to ask so many questions
F.
ask for more explanations
G.
ask more questions about cost 24. ____________ 25 ___________ 26 __________
【简答题】Mary hadn’t studied for the test, so she answered most of the questions ______ (correct).
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