[单选题]铝合金吊顶龙骨具有的特点,不包括(____)。
A.质轻
B.耐蚀
C.刚度好
D.耐高温

Ⅲ Cloze Directions: For each blank in the following passage, there are four choices 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. I shouldn’t let it bother me. It really doesn’t matter anyway. But it does bother me! All those people are preparing to celebrate a new century, a new millennium as well. And it just isn’t (21) ! Most of us schedule our lives by the Gregorian (22) Our years are measured from the birth of Christ. The first year of the first century is 1, or 1 A.D. The last year of that century is the year 100. Simple Yes! A century is 100 (23) . long. A millennium is 1,000 years long, which is (24) ten centuries. Since the last year of the first century is the year 100, the first year of the (25) century is 101. Follow that pattern, century by century and you’ll get my (26) The year 2000 is the last year o
A. silly
B. false
C. funny
D. true