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【单选题】
人流后感染A.
人流术后出现下腹剧痛
B.
人流术后阴道流血不止
C.
人流术后继发不孕
D.
人流术后闭经，周期性下腹痛
E.
人流后月经紊乱
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皮皮学刷刷变学霸
举一反三
【单选题】The most striking phonetic difference between American and British English is the pronunciation of ______ in words.
A.
r
B.
a
C.
wh
D.
er
【单选题】Which ball is the man's ball?
A.
the white Callaway ball with two stars
B.
the white Callaway ball with his name
C.
the yellow Callaway ball with two identification dots
D.
the white Callaway ball with two identification dots
【单选题】—What's behind the door? —________ [ ]
A.
Yes, it is a ball.
B.
No, it isn't a ball.
C.
There is a ball.
D.
It's in front of the door.
【多选题】以下关于“债券久期”描述正确的是?
A.
债券产生的所有现金流的现值因素后计算的债券的实际期限，是完全收回利息和本金的加权平均年数。
B.
有关“债券价格”相对“利率变化”的灵敏度的指标。
C.
衡量“债券价格”的利率风险程度。
D.
将所有影响债券利率风险的因素全考虑进去，形成一个经过修正的投资标准期限。
E.
只考虑了债券价格变化与到期收益率变化之间的线性关系。
【简答题】债券久期是考虑了债券产生的所有现金流的现值因素后计算的债券的实际期限,是完全收回利息和本金的(____)平均年数。任何息票债券的久期都(____)(填“大于”或“小于”)该债券的名义到期期限。
【单选题】The most striking technological success in the 20th century is probably the computer revolution.
A.
profitable
B.
productive
C.
prominent
D.
prompt
【单选题】—Is this his ball? —__________. [ ]
A.
Yes, it's his ball.
B.
No, it's a ball.
C.
No, it's not my ball.
D.
Ball
【单选题】Laura has one volleyball and five soccer __________ . [ ]
A.
ball
B.
balls
C.
a ball
D.
one ball
【单选题】—What’s that under the desk? —__________ [ ]
A.
It’s a ball.
B.
That’s a ball.
C.
It’s an ball.
D.
This is a ball.
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