证券可分为商品证券、货币证券和资本证券三类。( )

账账核对的内容包括（）。

A.总账与所属明细账之间的核对

B.现金、银行存款日记账与总账中的现金、银行存款账的核对

C.银行存款日记账与银行对账单的核对

D.总账账户借方发生额及余额与贷方发生额及余额的核对

______①鼻毛                           A、保证气体顺畅通过呼吸道

______②软骨                           B、使到达肺部的气体清洁

______③气管腺细胞分泌粘液；           C、使到达肺部的气体湿润

______④鼻粘膜中分布丰富着的毛细血管   D、使到达肺部的气体温暖

______⑤肺泡                           E、与血液之间进行气体交换．

As summer approaches, a lot of people will be in search of a great book to read while they are relaxing on the beach or by the pool. Here we have made a list of four e-books that we think are great summer reads.

Stark by Ben Elton--- If you have read a lot of books then you may know that Ben Elton is  one of the funniest writers around the world. This book is one of his best pieces of work to date and it will certainly leave you in hysterics(狂笑). You may find yourself laughing out loud constantly when reading this book.

1984 by George Orwell---there is a big chance that some of you may have read this book ,but even if you have, it’s still well worth reading again. This is a great holiday book and it will shock you constantly due to the accuracy of the book. The book was actually written in 1948 and was written about what the author (George Orwell) fell the world would be like in 1984,and he was pretty spot-on .This book is thrilling and will probably leave you a little scared at the end of it.

The Road---This book is a fantastic read and will leave you hanging on edge all the way through it. This book is quite dark, however, and it certainly had some shocking moments throughout. The book is set in a post-apocalyptic(浩劫后的) world where modern life has been destroyed and in which there is no wildlife and a lot of humans have actually turned to cannibalism(同类相食).This book is fantastic if you enjoy a thrilling read that will leave you on the edge of your seat every few seconds. This certainly isn't a book for the faint of heart.

The Theory of Everything by Stephen Hawking---If you haven’t read this book yet then you really must .If you’re looking for a non-fiction and highly informative book for your summer then this is the book for you. This book was written by Professor Stephen Hawking and is extremely famous.

小题1:What is the text mainly about?

A．An introduction to four e-books that are great summer reads.

B．Advice on how to choose great e—books for summer reads.

C．The contents of four e-books that are famous around the world

D．People’s opinion on reading e-books on the beach.小题2:Which of the following is TRUE?

A．Ben Elton is the funniest writer all over the world.

B．If you’ve read 1984, there’s no need to read it again.

C．The Road presents a world in which there are no humans.

D．The Theory of Everything is full of information that is helpful to readers.小题3:We can learn from the passage that____________

A．George Orwell wrote what the world in 1948 was like in his book

B．Readers will surely be scared after reading 1984.

C．The Theory of Everything is a work of popular fiction.

D．Readers who are fond of comedies may like to read Stark小题4:If Mark likes reading thrilling and exciting stories, which of the following should he choose?

A．Stark

B．1984

C．The Road

D．The theory of Everything小题5:In which section of a magazine would you most probably read the text?

A．Literature

B．Travel

C．Lifestyle

D．Nature.

天车的主要受力构件发生腐蚀时，应进行检查和测量。当承载能力降至原设计能力的（）时，如不能修复，应报废处理。

A.40%

B.50%

C.78%

D.87%

钢筋机械连接接头分为哪三个等级？应如何选用？