问题 选择题

下表中所列的是一年中甲、乙、丙、丁四地的昼长差(即一年中昼长最大值—昼长最小值)。根据表中的数据回答下列各题。

小题1:四地中属于寒带的是                                          

A.甲

B.乙

C.丙

D.丁小题2:四地所处的纬度从低到高的排列顺序是                            

A.甲乙丙丁

B.甲乙丁丙

C.丁丙甲乙

D.丁丙乙甲

答案

小题1:D

小题2:A

小题1:本题考查昼夜长短的变化。赤道地区昼夜长短的变化为0,纬度越高,昼夜长短的变化越大。丁地昼夜长短变化为24小,位于寒带。所以本题选择D选项。

小题2:本题考查昼夜长短的变化规律。纬度越高昼夜长短的变化幅度越大,所以四地所处的纬度从低到高的排列顺序是甲乙丙丁。所以本题选择A选项。

单项选择题
阅读理解

阅读理解。

     Fruit powered digital clock

     Fruit's not only good to eat, but it can also power this Fruit Digital Clock. This clock uses the scientific

principles on which modern electrical storage batteries are based. The acid from the fruit helps transmit an

electrical flow between two metal poles. The clock is priced at US $ 15 commencing any fresh fruit or

vegetable to the clock will make it work. The fruit is a clean, renewable source of electrical power.

     USB vacuum

     Do you know the dirtiest parts of your desk are probably your keyboard and mouse? Get a USB Mini

Vacuum with retractable (可伸缩的) cable and suck away all that junk. The US-made product is priced at

US $ 14.

     SIM card reader

     Making useful USB 2.0 multi-card reader even handier, this card can also read and write data to phone

SIM cards. It comes with SIM editing software. Download your phonebook to your computer. If you lose

your cell phone, you can store missing phone numbers in your new one the US-made IMOMO SIM card

+ Multi-Card Reader is priced at US $ 19 (152 yuan).

     Beer in your ear

     The beer barrel (桶)-shaped Naf Naf Hyp MP3 is a musical box that's capable of playing radio, CDs and

cassettes. It's got all the standard features of the typical clock-radio, but with the relaxing look of a big beer

barrel. The Danish product is priced at about US $ 130 (1040 yuan).

1. If you have 115 yuan, which product can you buy according to the passage? [ ]

A. Fruit powered digital clock

B. USB vacuum

C. SIM card reader

D. Naf Naf Hyp MP3

2. Which of the following statements is TRUE? [ ]

A. Fruit and vegetables cannot be used as batteries to make a clock work.

B. USB vacuum can be used to clean your house and yard.

C. With SIM card reader you won't lose phone numbers.

D. Naf Naf Hyp MP3 can play radio, DVD and cassettes.

3. What does "junk" mean in the second item? [ ]

A. dirt

B. desk

C. keyboard

D. mouse

4. The passage is most likely a(n) _____. [ ]

A. entertainment information

B. science reports on new high-technology

C. introduction of some kinds of musical boxes

D. advertisement for new products

5. SIM card reader can be used to _____. [ ]

A. edit all the data in your computer

B. remove data in phone SIM cards specially

C. help restore yur phone book in a new cell phone

D. transfer any file between a computer and a cell phone