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税收具有的特征包括（ ）。
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举一反三
【单选题】Spreading oil on the open sea has the effect of ______．
A.
Diminishing the height of the seas
B.
Lengthening the distance between successive crests
C.
Increasing the height of the seas
D.
Preventing the wave crests from breaking
【单选题】Which of the following statements concerning the role of the sea in Hemingway’s novella The Old Man and the Sea is NOT correct?
A.
Through the protagonist’s interactions with the sea, his character emerges.
B.
The sea provides glimpses of the depth of the protagonist’s knowledge.
C.
His struggle, resolve and pride are measured in terms of how far out into the gulf he sails.
D.
The sea symbolizes the benevolent side of nature.
【单选题】Of all the features of the sea cucumber, which of the following seems to fascinate the author most?
A.
What it does when threatened.
B.
Where it lives.
C.
How it hides from predators.
D.
What it eats.
【单选题】The average height of the surface of the sea for all stages of the tide over a 19 year period is called ______.
A.
mean high water
B.
mean low water
C.
half-tide level
D.
mean sea level
【单选题】The temperature(温度)of the top of the sea is higher than the temperature of the deep sea.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【简答题】利用烘箱进行干热灭菌的灭菌温度是 °C,灭菌时间约 小时。
【判断题】Four seas include the sea of meridians, the sea of vessels, the sea of bones,the sea of marrow.
A.
正确
B.
错误
【单选题】肋骨编号方法是________。I.习惯上以舵杆中心线为“0”号,对全船肋骨进行编号;II.以尾垂线为“0”号,对全船肋骨进行编号;III.以船中为“0”号,对全船肋骨进行编号。
A.
Ⅰ,Ⅱ
B.
Ⅱ,Ⅲ
C.
Ⅰ,Ⅲ
D.
Ⅰ,Ⅱ,Ⅲ
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