official status
nonconformist image
efficient staff
military background
第1题：
A.if
B.unless
C.when
D.though
第2题：
A.viscosity a heated to reduce its
B.cooled to reduce its temperature
C.heated to reduce its density
D.heated to reduce its gravity
第3题：
It can be learned from paragraph 4 that
A. Straitford's prediction about Ukraine has proved true.
B. Straitford guarantees the truthfulness of its information.
C. Straitford's business is characterized by unpredictability.
D. Straitford is able to provide fairly reliable information.
第4题：
用来设置背景图片的CSS基本标记是（）。
第5题：
A.172.1.0.0/22
B.172.1.0.0/21
C.172.1.4.0/22
D.172.1.4.0/24 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
E.172.1.4.0/25 172.1.4.128/25 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
第6题：
A. cut off
B. cut up
C. cut away
D. cut down on
第7题：
Describe the most efficient way(in term of execution time
and code size) to divide a number by 4 in assembly language
第8题：
Straitford is most proud of its
A. official status. B. nonconformist image.
C. efficient staff.
D. military background.
第9题：
What quality of a diesel fuel is most significant for efficient combustion ________．
A.Volatility
B.Viscosity
C.Flash point
D.Specific heat
第10题：
下面哪个CSS属性是用来更改背景图片的（）。