1.When David Beckham arrrived into Japan, the thrilled fans turned out to welcome him.
2. To celebrate my cousin sister's wedding, my uncle and aunt arranged an evening party.
3.Some of Carl Marx's works on Communism, were written in the British Library, which has an enormous collection of books.
4.The ancient pots in the museum have brought artists nationwide with its fresh colors and delicate workmanship.
5."Don't treat the clothes so roughly",Mother said. "Wash them carefully, fold and put them right and they'll wear long.
6. The competition became tenser and tenser from beginning to the end.
7.The possibility is rare for me to rent that house with furniture,because the landlord charges too much.
8.The royal families are alike to average ones in that they also have disagreements and quarrel with each other.
1.The cost of the pack of books is 250 yuan,including postage and packing.And remember to write the recipient's address,with post code.
2.Decades ago,people typed formal documents with typewriters,while nowadays the same job can be done with computer and printer.
3.Having a long shelf life, if not kept dry, the instant coffee will quickly go solid.
4.A thousand years later, citizens on earth may dispose of rubbish with ecological system.
5.The snake was so greedy aht it swallowed up the mouse.
6.Communicating with people is an important aspect of business clerks.
7. After we went across the field back home, our shoes were mudded over.
8.Staying in hospital for six weeks, he finally was back on his feet and began to work again.
2.5等比列的前N项和 （一）1.B2.C3.D4.315.-16.-27.⑴ Sn=-n ⑵ q=-1/28.29.q=2 m=6 或q=1/2 m=610.S30=3511.⑴证明略⑵an=5/3-1/3(-1/2) n-1次方2.5等比列的前N项和 （二）1.B2.C3.B4.有点复杂 不好意思5.156.-17 ⑴ n²=1-1/2的n次方 ⑵错位相减法 答案有点复杂8.1/3(4的n-1次方)9.⑴ 2n-1 ⑵错位相见法 主意分q=1 和q≠1时的两种情况10.⑴2kn-k+1 ⑵k=0或111.1459辆2016。