不属于苯丁酸类的降脂药有()
A.氯贝丁酯
B.氯贝酸铝
C.利贝特
D.阿昔莫司
参考答案:D
下列生活用品不属于有机合成材料的是( )
A.塑料袋
B.铝线胶皮
C.腈纶布料
D.不锈钢水果刀
It’s quite obvious that the aging population in China will cause _____heavy pressure on _____whole society in the future.
A./, the
B.the, /
C.a, the
D.a, a