设关于x的不等式：x2-x＜2nx（n∈N*）的解集中整数的个数为an，数列{a

胡 * * 同志在十八大报告中强调，（              ）是兴国之要，（     ）仍是解决我国所有问题的关键；

A．坚持四项基本原则改革

B．以经济建设为中心 发展

C．坚持中 * * 党的领导稳定

D．走有中国特色的社会主义道路改革

一般说来生活在潮间带和沿岸性的贝类多系（）性，生活在外海区和只分布于热带、寒带性的贝类多系（）性。

对公汇款登录NBOS系统扫描（）、收费凭证（可选）。选择对公汇款业务种类，上传后台处理。

A.结算业务申请书第一联

B.个人结算业务申请书

C.结算业务申请书第二联

D.结算业务申请书第一、二联

Government officials reported three new cases of mad cow, bringing the total so far this year to 99. Last year, France recorded just 31 cases of the mad cow disease. The rising numbers are in part (1) a new testing program that focuses on cows that are most (2) . That program has (3) 39 cases. But still 60 new cases were identified in the usual way, (4) were found in 1999. Many scientists (5) that this year, five years after safety precautions were (6) , the number of cases would be (7) .

The rise in cases has (8) some scientists to question whether the disease can be transmitted in ways not yet understood. Scientists are still (9) the disease, first recognized in cows in 1986.

It appears that it is not caused by a bacteria, virus or fungus, but (10) infectious particles called prion, perhaps (11) a virus or other agent. The disease kills cells in the brain, (12) it spongy and full of holes.

France has taken more steps to (13) safety than most European countries, (14) refusing to take English beef (15) the European Union. But some scientists believe that France has not been (16) in imposing the ban on feed that (17) animal pans.

Some French officials hope that the sudden interest in mad cow disease will mean that French consumers will become educated about it, thereby recognizing that French beef is actually (18) controlled. Every cow is given a passport at birth, and extensive information about its parentage and (19) it was raised must be (20) to any slaughterhouse. When a diseased animal is found, the entire herd is destroyed.

1（）

A. as

B.because

C.since

D.due to

风电场按要求对设备（），及时正确地抄表，做好各种记录的填写、汇总、分析与上报工作。