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【单选题】
下列有染色体的说法不正确的是（ ）A.
人类的性染色体是X染色体和Y染色体
B.
X是女性的性染色体，Y是男性的性染色体
C.
女性的性染色体组成是XX，男性的性染色体组成是XY
D.
X染色体大，Y染色体小
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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)
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