对生态系统中能量流动与物质循环的关系描述正确的是( )。 A．生态系统中生命成分的

在如图所示的电路中，R₁=15Ω，R₂=20Ω，闭合开关后，电流表的示数为0.4A，则R₁两端的电压为_______ V，通过R₂的电流为 _______A。

用单链表表示的链式队列的队头在链表的哪个位置

A．链头

B．链尾

C．链中

D．任意位置

皮疹多出现于恙虫病病程的第4～6d，常为充血性暗红色斑丘疹。

第三部分 阅读理解（共15小题；每小题2分，满分30分）

阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。

A

The iPad, a new e-tablet gadget will take online activities truly mobile. It will allow you to read the news in bed, play multiplayer game on any surface, check a recipe in a busy kitchen or view a large-scale Google map.

It will declare a new age of online media production, taking newspapers and magazines down the new stage. Online versions can now become truly interactive. The editor of Time magazine Richard Stengel said, “The iPad will transform the way journalism works. It will become a new way of storytelling”.

Perhaps most important to the masses, it is a traditional computer but so convenient to use. There are no cords(电线), and it’s totally mobile. You press a button and it comes on in seconds. To add a program, you just download it from the Internet. There is no file directory, so you won’t be confused with file locations.

Since almost everyone uses a computer in the office or at school, the need for the traditional desktop model at home is disappearing. Slate Magazine’s Farhad Manjoo calls the iPad the perfect alternative to the full home computer system.

However, opinions are summarized as a simple statement: If you are a tech-head you will hate it, if you are everyone else you will love it. It’s “laughably absurd” on one blog and a “magical revolution” on another.

This first version of the iPad lacks many basic features. Tech-heads dislike the device not because of what it offers, but because of what it doesn’t offer. It doesn’t have flash or a camera. It can’t access many of the world’s mobile applications, and it has a very restricted APPLE store. Based on purely technological grounds, the iPad is said to lack more than it gives.

But if you are not part of the technologically well-versed, and you love the iPod and iPhone, “this device is for you,” said Steve Jobs, Apple’s CEO.

But no matter how you feel about the iPad, as a tech-head or an everyman, there’s no arguing with its appeal. Love it or hate it, the iPad sold over 600,000 units on its opening weekend, surpassing(超过) the iPhone’s record sales in 2007.

It’s uncertain how long it will take to hit the tech markets here in China, but when it does, expect the iPad fashion to continue. Apple predicts it will sell over 7.1 million units in the first year. Maybe not magical, and definitely not absurd, but if the iPad follows in the footsteps of the iPhone and iPod, you could be reading this newspaper on it in the near future.

56. Which of the following is NOT the reason why people think the iPad a “magical revolution”?

A. The iPad will make online activities truly mobile.

B. The iPad will predict a new age of online media production.

C. The iPad is sure to take the place of the full home computer system.

D. The iPad can make many world’s mobile applications accessible.

57. Which of the following statements is false according to the passage?

A. Unlike those traditional computers, the iPad can save you much trouble.

B. The iPad set up a new record sale when it first came onto the market.

C. The iPad will probably hold a big share in the tech market in China.

D. The iPad depends on cords to download a program from the Internet quickly.

58. What technological problem do experts think the iPad has?

A. The iPad is lacking in what other computers can offer.

B. People might misunderstand its magical features.

C. Reporters and journalists don’t have to efficiently with the help of the iPad.

D. Compared with the iPhone and iPod, iPad might confuse the users more easily

59. Which of the following would be the best title for the passage?

A. Why do People Love the iPad            B. The Popularity of the iPad

C. Loving and Hating the iPad                     D. A Magical Revolution

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