降低总胆固醇和低密度脂蛋白最明显的药物是()
A.烟酸
B.多烯脂肪酸
C.普罗布考
D.乐伐他汀
E.非诺贝特
参考答案:D
The Tower of London, the St Paul's Cathedral and the Big Ben are major historical ______ of London. [ ]
A. sceneries
B. place
C. scenes
D. attractions
比x的6.3倍少10的数是______,a与b的差的5倍是______.