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【单选题】
酵母菌不同于细菌的结构特点是（ ）A.
单细胞
B.
有细胞壁
C.
有细胞膜
D.
有成形的细胞核
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举一反三
【单选题】Your _______ effort is absolutely needed to find out what caused this accident.
A.
cooperatively
B.
cooperation
C.
cooperative
D.
cooperate
【简答题】Five thousand miles is too far to travel.
【单选题】How fast will a rocket go to escape completely from the Earth's gravity?
A.
Seventy miles per second.
B.
Seven thousand miles per hour.
C.
Twenty-five thousand miles per second.
D.
Twenty-five thousand miles per hour.
【简答题】输尿管三个生理狭窄为 _________ 、_________ 、 _________ 。
【判断题】Inf ormal words are also called learned words, or literary words, or big words.
A.
正确
B.
错误
【单选题】In f ormal cooperative learning groups ,t hese last from one class period to several weeks and establish for a specific task and involve students working together to achieve ______ learning goals .
A.
variable
B.
shared
C.
different
【判断题】There are three types of cooperative learning groups: f ormal cooperative learning groups ; i nformal cooperative learning groups ; and c oo perative base groups .
A.
正确
B.
错误
【判断题】Once the agreement is settled, the contracts have to be written out and the economic contract should be signed in a n in f ormal way.
A.
正确
B.
错误
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