关于骨质硬化，下述描述错误的是()
A．骨密度增高
B．骨皮质变薄
C．骨小梁增粗、变密
D．骨髓腔变窄
E．骨干增粗
参考答案：B
A study reveals that more than half of Americans lose their TV remote between one and five
times a week,____11 percent misplace it six to ten times. [ ]
A.when
B.as
C.while
D.but
标准贷记卡金卡的最高额度可以提高到（）。
A.8万
B.10万
C.20万
D.30万
