Marine insurance is the oldest form of insurance, and until the early eighteenth century it was entirely in the hands of the wealthy syndicate.( )
A. 海运保险这一最古老的保险形式被富有的辛迪加掌控了近18个世纪。
B. 18世纪初以来最古老的保险形式海运保险一概为富有的辛迪加掌控。
C. 海运保险是最古老的保险形式,18世纪初以前完全为富有的辛迪加掌控。
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That the guest of honor must be first to take leave after a formal dinner was in former times so fixed a rule that everyone else used to sit on and on.( )
A. 过去,正式宴会后客人告辞的顺序有严格的讲究。
B. 以前,正式宴会后贵宾和其他人都不会马上告辞。
C. 过去,正式宴会后按照规矩贵宾不告辞其他人就不能走。
The color of one’s skin should be of no barrier ( )success in life.
A. to
B. at
C. in
D. on
If either Tom or Betty( ),he or she will help me with my questions on English.
A. come
B. came
C. comes
D. has come
Only when you have acquired a good knowledge of the field( ).
A. you can pass the exam
B. you passed the exam
C. can you pass the exam
D. you will pass the exam