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【判断题】
如果消费者的收入增加而商品的价格不变，则消费可能线向右上方平行移动。()A.
正确
B.
错误
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【简答题】跨境电商存在的问题?
【单选题】Question 6 is based on the news report you have just heard.
A.
. A) It intends to keep its traditional diet.
B.
B) It wants to expand its own farming.
C.
C) It is afraid of the spread of disease.
D.
D) It is worried about unfair competition.
【判断题】在一棵度为 4 的树中,若有 20 个度为 4 的结点, 10 个度为 3 的结点, 1 个度为 2 的结点, 10 个度为 1 的结点,则树 T 的叶结点个数是 81 。
A.
正确
B.
错误
【单选题】Question 6 is based on the news report you have just heard.
A.
He has lots of fans on Facebook.
B.
He has rich experience in flying.
C.
He often suffers from toothaches.
D.
He has learned to pull teeth from a video.
【单选题】Question 6 is based on the news report you have just heard.
A.
Engineering problems.
B.
The air pollution is produced.
C.
inadequate funding.
D.
The opposition from the military.
【单选题】Question 6 is based on the news report you have just heard. 6 .
A.
Zimbabweans stayed away from voting.
B.
Zimbabweans were enthusiastic about voting.
C.
Only a f ew Z imbabweans t urn ed up to vote.
D.
Zimbabweans believed that Mugabe would win.
【单选题】在一棵度为 3 的树中,若度为 3 的结点有 2 个,度为 2 的结点有 1 个,度为 1 的结点有 2 个,则叶子结点数为 ( ) 。
A.
5
B.
6
C.
7
D.
8
【单选题】Question 6 is based on the news report you have just heard.
A.
The boy's father.
B.
Soldiers, police and volunteers.
C.
Japan's military.
D.
Child psychiatrists.
【单选题】Question 6 is based on the news report you have just heard.
A.
Deliver scientific equipment to the moon.
B.
Approve a new mission to travel into outer space.
C.
Work with federal agencies on space programs.
D.
Launch a manned spacecraft to Mars.
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