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【单选题】
艾滋病的“窗户口”是指A.
从感染到发病时间
B.
从感染到体内能够检测出抗体的时间
C.
从体内能够检验出抗体到发病的途径
D.
从感染到死亡的途径
E.
以上均不是
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举一反三
【单选题】Which of the following information is not necessarily exchanged between the and the pilot before the pilotage commences.
A.
Local conditions and rules
B.
Number of crew on board
C.
Navigational procedures
D.
The ship' characteristics
【单选题】Which of the following statements is NOT true?
A.
When they were climbing the mountain, two of them fell into the valley.
B.
The firemen arrived half an hour later.
C.
Mr. Zhang hurt his head..
D.
The accident happened on Mount Hua, Shanxi.
【单选题】Of the following sentences, which has the most emphatic theme?
A.
As the position stands, the unemployed are without any attraction of the snobbish.
B.
The unemployed are, as the position stands, without any attraction of the snobbish.
C.
As the position stand, the unemployed are without any attraction of the snobbish.
D.
As the position standing, the unemployed are without any attraction of the snobbish.
【单选题】Whicb of the following numbers indicates a ship station MMSI?
A.
003372694.
B.
623944326,
C.
030356328.
D.
3384672.
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