题目内容
【题目】【2014山东烟台】一 How many girls are there in your class?
—_________ them __________ over twenty.
A. A number of, are B. The number of, are
C. A number of, is D. The number of, is
【答案】D
【解析】
试题分析：句意：你班有多少女孩？人数是20多。A number of,一些、许多，后面的谓语用复数形式；the number of girls女孩子的人数，后面的谓语用单数形式。故选D。
数学奥赛暑假天天练南京大学出版社系列答案
【题目】Answer the questions. （根据短文内容回答下列问题）
Climb to the top of the amazing Sydney Harbor Bridge and look down 134meters at the water below! This 4﹣hour climbing tour departs 5times a day． Make your reservation （预定） now!
| Morning/Afternoon/ Night tour | Lunch/ Twilight Tours | |
Mon-Fri | Sat—Sun | Mon—Sun | |
From June 1 to August31 | |||
Adults | $170 | $190 | $250 |
Children(10-16) | $110 | $130 | $190 |
From September 1 to November 30 | |||
Adults | $150 | $170 | $230 |
Children(10-16) | $100 | $110 | $170 |
Tour includes：
A certificate（证书） to prove you climbed the bridge．
A photo of you and your friends on top of the bridge．
We also provide you with：
Special clothes to protect you from the strong wind．
A radio to communicate with the tour leader．
A special harness（安全带） and rope to make sure you are safe．
Snacks （for lunch and twilight tours only）．
A special bridge flashlight （for twilight and night tours only）．
☆ Prices are in Australian dollars．
☆ Tour times and prices may change without notice．
☆ Children must be taken care of by an adult．
Maximum （最多） 2 children per adult．
☆ For more information， email us at tours@touraustalia．com．
【1】How long does each climbing tour last？
__________________________
【2】How much does it cost for one adult and two children to take an afternoon tour on a November Sunday？
________________________
【3】What are provided to keep the climbers safe on the tours？
__________________________
【4】An adult can tae at least two children with them on the tour each time， can't he？
_________________________
【5】Why do you think twilight tours are much more expensive than the tours of the other times？
__________________________
【6】Would you like to take the climbing tour？ Why or why not？ （give at least two reasons）
_________________________
【题目】Cats are animals that live on land. They can be divided into two groups: big cats and small cats. Big cats are the larger animal species. Here are some materials about big cats.
| Tigers are one of the largest cats. They live in the forests and marsh areas of South-East Asia, India, Russia and Southern China. Tigers mostly live alone and mainly hunt at night. Young tigers leave their mothers at about two years of age. |
| Lions live mostly on the larger grassland of Africa. Unlike tigers, lions are the most social of the big cats. They live in family groups and hunt together. There can be up to 35 lions in a group. They use speed and strength to catch and kill their prey. |
| Leopards live mostly in the forest on the edges of plains in Africa and Asia. New born leopards only open their eyes after 10 days. They spend much of the day resting in trees. They do most of their hunting at night. They eat almost any animal they can catch. |
【1】When do tigers mainly hunt?
A.In the morning. B.At noon.
C.In the afternoon. D.At night.
【2】Lions live mostly in .
A.Asia B.Russia C.Africa D.India
【3】What do leopards often do in the daytime?
A.Rest in trees.
B.Sleep in caves.
C.Look after their babies.
D.Hunt small animals.
