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【单选题】
普通电冰箱属于（ ）控制系统。A.
单变量输入\输出
B.
多变量输入\输出
C.
单变量输入\多变量输出
D.
以上二者都不对
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反馈参考答案：
举一反三
【简答题】A．pooled B．joined C．taken D．participated
【简答题】Not only the students but also their teacher (have) ________ participated in that football .
【单选题】听力原文：May I take a photo here? (11)
A.
Sorry, it's not allowed.
B.
You are welcome.
C.
It's your pleasure.
【简答题】__________ [A] presented [B] attended [C] joined [D] participated
【单选题】There are over 1000 volunteers participated in the activity. 如何修改?
A.
把 are 去掉
B.
把participated 改成 participating
【单选题】IfDorothy had not been badly hurt in a car accident, in last month’s marathon race. A) she would participate B) she might participate C) she would have participated D) she must hav...
A.
she would participate
B.
she might participate
C.
she would have participated
D.
she must have participated
【简答题】A．devoted B．entered C．absorbed D．participated
【单选题】The directors that participated in the meeting were required to contribute _____suggestions to their colleagues
A.
theirs
B.
their
C.
them
D.
themselves
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