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【判断题】
TT系统是指电源中性点直接接地，而设备的外露可导电部分经各自的PE线分别直接接零线的三相四线制低压供电系统。（ ）A.
正确
B.
错误
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【简答题】请听下面一段材料，回答第1-3题。 1. When is the expression, “off-color”, usually used? A. When someone is unwell. B. When someone looks nervous. C. When someone dislikes a color. 2. What is the probable relationship...
【单选题】They were arguing but _____ off when someone suddenly came into the room.
A.
took
B.
turned
C.
broke
D.
came
【简答题】Please examine the handbook for the 74th UN GA sessions and explain which of the session you would like to attend if you were a delegate for international trade from China.
【简答题】互联网域名的专用权属于注册者,和商标一样,采用?原则
【简答题】When someone has deeply hurt you, it can be very difficult to let your anger go off. But forgiveness（原谅）is possible – and it can be surprisingly helpful to your physical and mental health. Indeed, res...
【单选题】Which of the following does a teacher want his/her students to develop if he/she guides them to take notes using key words， abbreviations and symbols?
A.
Cultural awareness.
B.
Language awareness.
C.
Learning strategies.
D.
Language knowledge.
【单选题】Which of the following pumps will build up a bursting pressure or stall their motors if the discharge valves are closed? (1) gear; (2) centrifugal; (3) screw.
A.
(1) and (2)
B.
(1), (2) and (3)
C.
(1) and (3)
D.
(2) and (3)
【单选题】以下商品发布正确的是?
A.
价格30元的商品，以1元发布标明赠品
B.
宝贝发布一口价10元，平邮200元
C.
发布30元的相框
D.
发布10元的商品，宝贝描述中说明这件宝贝要卖100元
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