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【单选题】
以下选项,( )属于上大学的机会成本。A.
学费
B.
书费
C.
直接工作的收入
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】1) There ____on the wall. They are very beautiful. A are photoes B are photos C. is a photo D is photos (2)The ____meeting room is near the reading room A. teacher B. teachers's C. teachers D. teacher...
【单选题】控显界面上方和下方的横线段表示供电区段,稳定灰色表示的是 ()
A.
供电区段有电 B 供电区段没电 C 供电区段状态未知 D 供电区段无任何状态信息
B.
供电区段没电 C 供电区段状态未知 D 供电区段无任何状态信息
C.
供电区段状态未知 D 供电区段无任何状态信息
D.
供电区段无任何状态信息
【简答题】Proof-reading and error correction. Each indicated line contains a maximum of one error. In each case, only one word is involved. You should proofread the passage and correct it in the following way: ...
【简答题】负载为 7.5KW的三相异步电机,应选额定电流为( )的交流接触器。
【简答题】(1)负载为0.75KW的三相异步电机,主电路铜导线为 mm2的铜导线。 (2)负载为7.5KW的三相异步电机,应选额定电流为 的交流接触器。 (3)负载为11KW的三相异步电机,应选额定电流为 的空气开关。 (4)负载为7.5KW的三相异步电机,应选额定电流为 的熔断器。
【简答题】Error correction. Shocked by the cost of new cars, a used car seemed the best buy to Linda.
【单选题】Which one is a more unified paragraph? Directions: The following two paragraphs are on the topic “ Education and Sex ”. Which one is a more unified paragraph?
A.
Paragraph 1 Although much is made of differences between the brains of adult males and females, the sources of these differences are a matter of controversy. Some people put forward cultural explanations and note, for example, that when girls are taught separately from boys they often do better in subjects such as maths than if classes are mixed. Others claim that the differences are rooted in biology, are there from birth, and exist because girls’ and boys’ brains have evolved to handle information in different ways.
B.
Paragraph 2 Although much is made of differences between the brains of adult males and females, the sources of these differences are a matter of controversy. Luigi Guiso of the European University Institute in Florence and his colleagues have just published the results of a study which suggests that culture explains most of the difference in math, at least. On average, girls’ math scores were, as expected, lower than those of boys.
【简答题】Proof-reading and error correction. Each indicated line contains a maximum of one error. In each case, only one word is involved. You should proofread the passage and correct it in the following way: ...
【单选题】The two boys share the same hobbies but they are quite different _______ personality.
A.
in
B.
with
C.
for
D.
on
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