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【单选题】
上海中心城区的水域主要有黄浦江和苏州河,苏州河属( )水系。A.
长江
B.
C.
黄浦江
D.
杭州
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【单选题】All vessels navigating in the routing system of the Malacca Straits shall maintain at all times a ( ).
A.
high speed
B.
low speed
C.
moderate speed
D.
safe speed
【单选题】【单选】Depths in the routes (Malacca and Singapore Straits) vary between20m and about 23m but there are many areas of sandwaves and depths are liable to change. The statement infers that____.
A.
depths in malacca and Singapore Straits are stable
B.
depths in malacca and Singapore Straits are changeable
C.
depths in malacca and Singapore Straits are invariable
D.
depths in malacca and Singapore Straits are the same all the time
【单选题】Depths in the routes (Malacca and Singapore Straits) vary between 20m and about 23m but there are many areas of sand waves and depths are liable to change. The statement infers that（）.
A.
depths in Malacca and Singapore Straits are stable
B.
depths in Malacca and Singapore Straits are changeable
C.
depths in Malacca and Singapore Straits are invariable
D.
depths in Malacca and Singapore Straits are the same all the time
【单选题】Malacca Straits is 805km and from 64km in the S to 257km in the N.
A.
length, wide
B.
long, wide
C.
length, widens
D.
long, widens
【判断题】The Malacca Straits is quite close to Singapore, the hub of South East Asia.
A.
正确
B.
错误
【单选题】Depths in the routes (Malacca and Singapore Straits) vary between 20 m and about 23 m but there are many areas of sand waves and depths are liable to change. The statement infers that .
A.
depths in Malacca and Singapore Straits are stable
B.
depths in Malacca and Singapore Straits are changeable
C.
depths in Malacca and Singapore Straits are the same all the time
D.
depths in Malacca and Singapore Straits are invariable
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