8已知y=ksin2x的一个原函数为y=cos2x,则k等于( ).

29社会保障是()

152.建国以来我们在社会主义建设干际经方的质折和失误,归根结底,就等于没有完全搞清楚

13In order to grow well, the Blue Sprace, like other pine trees, ( ) a temperate climate.

1、So far there is no proof ( ) spaceships from other planets do exist.

174.1995年全国科学技术大会提出了

58 Directions: For each blank in the following passage, there are four choices given below and marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the Answer Sheet. Investors can ( )51( ) money simply by loaning it. The money they loan is called capital. Security (担保) is an expensive item which the borrower mortgages (抵押) to the investor to show that he intends to ( )52( ) the debt. The way investors make money on loans is to charge interest. Interest is money that ( )53( ) pay to investors for the use of their money. Interest is usually a certain percentage of the capital. Investors sometimes ( )54 ten percent or more interest per year. The interest may be calculated daily, monthly, or yearly. The interest must be ( )55( ) before the capital can be repaid. If the interest is not ( )56( ) the agreed rate, the interest is added ( )57( ) the capital. Then the borrower has ( )58( ) pay interest on the unpaid interest ( )59( ) on the capital. A debt can grow quickly this way. If the total of the capital and accumulated interest gets too high, the investor will take ( )60( ) of the item used as security and sell it to get his money back.

204.健全社会主义法制的基本要求是

6

11在社会结构中居基础地位的是()