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【单选题】
患者男,40岁,因劳累近2自感头晕、头疼,连续三次测血压值为3/13. 3kPa (160/lOOmmHg),休息后血压可自行恢复正常,诊断首先考虑
A.
急进性高血压
B.
慢性肾炎
C.
甲亢
D.
原发性高血压
E.
SLE
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【单选题】To proceed to the assistance of a ship in distress is .
A.
an obligation for masters of passing by ships
B.
optional for masters of passing by ships when the weather is fine
C.
prohibited by the Convention SOLAS, 1974, as amended
D.
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A.
To mock their masters.
B.
To show their respect.
C.
To learn new dance steps.
D.
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A.
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B.
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C.
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D.
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A.
正确
B.
错误
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A.
Only then 
B.
It is only when
C.
Only when 
D.
It is only then
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