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【单选题】
当直航船发觉两船不论由于何种原因逼近到单凭让路船的行动已经不能避免碰 撞时，也应采取有助于避碰的行动，这意味着：A.
两船已经构成碰撞危险，正在形成紧迫局面
B.
直航船可以背离规则采取行动
C.
直航船的义务已经解除
D.
让路船的避让义务已经移交给直航船
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【单选题】―He hardly has any friends to play with , _____ he? ―_______! That’s why he feels lonely from time to time.
A.
hasn’t, No
B.
doesn’t, Yes
C.
does, Yes
D.
does, No
【简答题】He has no friends and he feels lonely.
【简答题】The students in America usually begin high school at the age of 13 or 14. Some leave at the age of 16. But most finish the 4-year high school study. They do not get their first full-time work or begin...
【单选题】Pyramid selling is ______ in China and some other countries.
A.
illegal
B.
unconstitutional
C.
illegitimate
D.
unlawful
【单选题】设二阶微分环节G(s)=s2+2s+4,则其对数幅频特性的高频段渐近线斜率为( )
A.
-40dB／dec
B.
-20dB／dec
C.
20dB／dec
D.
40dB／dec
【单选题】血竭置白纸上用火烘烤不会出现的特征( )
A.
熔化
B.
有扩散的油迹,有松香气味
C.
对光照视呈鲜艳的血红色
D.
以火燃烧则发生烟气
E.
以火燃烧发生的烟气呛鼻
【单选题】Some areas of the sites have a "no noise" rule after
A.
9.30 p.m.
B.
10.00 p.m.
C.
10.30 p.m.
D.
11.00 p.m.
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