影响心脏跨瓣反流速度的主要因素是（） A.心腔容积大小 B.相连心腔间压差 C.反流

阅读理解。

                                                 The Flying Hat                                            Shannon Blackman

     "The most sidesplitting story I've ever read. I couldn't stop laughing after I finished it. Be ready to laugh

your heart out."                                                                                                              

                                                                                                                Willy King, Best Book winner

     "It's a story that makes you smile in your dreams. Blackman's excellent writing cheers you up." 

                                                                                                                 The tide, London

     "One of the best-selling books of the year. More than two million copies have been sold."

                                                                                                                The Sunday Reader, New York 

     "This book has become the talk of the country. The story is making its way into movie theaters. I can't

wait to see it!"

                                                                                                                Marian Miller, author of Ms. Lilly

comment  评论

1. Which is said about The Flying Hat?

A. A movie about the story is coming out.

B. The story is about a boy who has a magic hat.

C. The writer started the book because of a dream.

D. People can buy the book in different languages.

2. What does sidesplitting mean?

A. Funny.

B. Simple.

C. Serious.

D. Difficult.

只用一种试剂鉴别正己烷、1-己烯、乙醇、苯酚水溶液4种无色液体，选

A．酸性KMnO₄溶液

B．饱和溴水

C．NaOH溶液

D．AgNO₃溶液

总收益互换的构成要素包括()

A.投资者承担标的资产的所有风险和现金流

B.银行支付标的资产的所有收益

C.投资者反过来要支付相应的融资成本

D.可以采取食物或现金交割的方式

E.投资者承担标的资产价格变动的所有风险

从产品属性看，权证是一种（）类的金融衍生品。

A.期权

B.远期

C.期货

D.互换

土地来源属行政划拨或减免地价款的房地产抵押登记如何办理？