【单选题】【消耗次数：1】
Big changes have taken place at Marketing Department the new manager came.
①
before
②
after
③
since
④
while
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相关题目
【单选题】
Its the second time that I __________ in Shanghai ！ What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
①
have been ； left
②
had been ； left
③
have been ；had left
④
went ；had left
【单选题】
I came to?Beijing?in 1991 and have been ?[填空] here ever since.
①
live
②
lives
③
lived
④
living
【单选题】
Before he came to New York, he had never heard a single English word（）.
①
speak
②
to speak
③
spoke
④
spoken
【单选题】
It is an ____ change that has taken place.
①
amazing
②
attempting
③
awaking
④
amusing
【单选题】
Our manager will look into the matter as soon as possible. Just have a little ____ after an operation.
①
wait
②
time
③
patience
④
rest
【单选题】
Before the final examination, many students have shown ___ of tension. Some have trouble in sleeping while others have lost their appetite.
①
anxiety
②
marks
③
signs
④
remarks
【单选题】
The manager came over and asked the customer how ___.
①
did the quarrel came about
②
the quarrel had come about
③
had the quarrel come about
④
had the quarrel come about
【单选题】
As the bus came round the comer, it ran _______ a big tree by the roadside.
①
over
②
on
③
into
④
up
随机题目
【多选题】
根据有收益资产的欧式看涨和看跌期权平价关系，下列说法不正确的是？
①
当标的资产收益的现值增加时，意味着欧式看涨期权的价值会上升
②
当标的资产收益的现值增加时，意味着欧式看跌期权的价值会上升
③
当标的资产收益的现值增加时，意味着欧式看涨期权的价值会下降
④
当标的资产收益的现值增加时，意味着欧式看跌期权的价值会下降
【多选题】
下列关于期权标的资产收益对期权价格
影响的说法中，哪些是正确的？
①
期权有效期内标的资产的收益会降低看涨期权的价格
②
期权有效期内标的资产的收益会增加看涨期权的价格
③
期权有效期内标的资产的收益会降低看跌期权的价格
④
期权有效期内标的资产的收益会增加看跌期权的价格
【多选题】
关于期权价格影响因素，以下说法正确的是？
①
期权价格的高低很大程度上由期货价格决定
②
期权距到期日时间越长，期权费就越高
③
预期波动率越大的货币期权，其期权费越高
④
货币利率越高，期权费越低，利率越低，期权费越高
⑤
期权价格通常是期权交易双方在交易所内通过竞价方式达成的