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【单选题】
下列系统中属于闭环控制系统的为( )。A.
自动化流水线
B.
传统交通红绿灯控制
C.
普通车床
D.
家用电冰箱
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【简答题】When did it rain last time in Juárez? A. Three days ago B. A month ago C. A year ago.
【简答题】Janet: Well, Charles Dickens was one of the most popular novelists in 19th-century Britain. Many of his novels first appeared in magazines, in short episodes. Each one had a cliffhanger at the end tha...
【简答题】Choose the words or expressions and complete the passage(选择最恰当的单词或短语,完成短文)(6分) (词数:181) Tom was a thir-year-old boy. He was tall and (66)_ 66 ___. And he ran very fast in his class. So he was ofte...
【简答题】古代的“内圣外王之道”认为人的道德修养达到完美的地步，社会问题就解决了。实际上“内圣外王之道”始终停留在宣传阶段，“内圣说”是缺乏约束力的一种泛道德主义观念。历史已经诠释了它的作用：“内圣”，不可能成为“外王”的充要条件。现代社会面临着种种深刻的矛盾和问题，它需要科学的管理系统来调节和解决。所以，今天尤其不宜再大唱“内圣外王”的高调。这并不是说我们敌视“内圣”甚至要摒弃传统文化观念；恰恰相反，我们...
【简答题】Alex was a giraffe who lived in a zoo with his mum, dad and other giraffe friends. As Alex grew, he 1 his neck was much shorter than the others’. He began to get 2 . But his mother told him that he wa...
【单选题】They have been skating ______. [ ]
A.
for three hours ago
B.
since three hours ago
C.
three hours ago
D.
since three hours
【简答题】Robert Edwards was blinded in a traffic accident. He was also a little deaf 1 old age. Last week, he was taking a walk near his home when a thunderstorm came. He hid 2 the storm under a big tree and w...
【单选题】— When did the twins go to the aquarium? — _______. [ ]
A.
Three days ago.
B.
Next month.
C.
For four days.
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