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【判断题】
Both of the OECD and UN Model Treaty divide personal service activities into dependent and independent personal service activities.A.
正确
B.
错误
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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.
【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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