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【简答题】
圆锥 表面上取辅助线的方法有两种: 1)辅助,即过锥顶作辅助,其三面投影均为( ); 2 )辅助纬圆法,即做平行于底圆的辅助圆, 其三面投影或为( )或为( ) 。
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举一反三
【单选题】Questions 5, 6 and 7 will be based on the 3rd news item.
A.
The day after Thanksgiving
B.
The Thanksgiving Day
C.
During Christmas
D.
During the holiday
【简答题】Questions 5, 6 and 7 are based on the news report you have just heard.
【单选题】Questions 5 and 7 will be based on the following news item. 6
A.
Holding massive protest.
B.
Using tear gas and batons. .
C.
Dispersing the protestors.
D.
Surrendering possession of some places.
【单选题】Questions 5, 6 and 7 will be based on the 3rd news item.
A.
Half of the online shopping is made on the phones.
B.
All holiday purchases will be made online.
C.
It is less comfortable than crowded malls.
D.
It has a big impact on shopping malls.
【单选题】Questions 5, 6 and 7 will be based on the 3rd news item.
A.
20 percent
B.
30 percent
C.
18.38 million
D.
183.8 million
【单选题】Questions 5 and 7 will be based on the following news item.
A.
Promising.
B.
Hopeful.
C.
Disappointing.
D.
Satisfying.
【单选题】下列何种步态患者表现为行走时不能走直线,而呈曲线或 “Z”字形前进,双上肢外展,躯干左右摇摆
A.
帕金森步态
B.
醉酒步态
C.
剪刀步态
D.
偏瘫步态
E.
先天性髋关节脱位步态
【单选题】questions5,6 and 7 are based on the news report you ha ve just heard . 5.
A.
It sank into the sea due to overloading .
B.
It ran into Nicaragua's Big Corn Island .
C.
It turned over because of strong winds .
D.
It disappeared between two large islands .
【单选题】questions 5,6 and 7 are based on the news report you have just heard . 5.
A.
A new company to clean up the mess after parites.
B.
Cleaners gainfully employed at nights and weekends.
C.
Two ladies giving up well-paid jobs to do cleaning
D.
Cleaning sevice in great demand all over the world
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