某老年患者全口无牙颌，进行义齿修复时发现左侧颊系带附着于牙槽嵴顶，影响将来义齿固位。

The boys _____ to go camping, but they were prevented by their parents.[ ]

A. managed

B. succeeded

C. attempted

D. advised

Now that she is out of a job, Lucy _____ going back to school, but she hasn't decided yet.[ ]

A. had considered

B. has been considering

C. considered

D. is going to consider

企业购入机器设备的支出，属于资本性支出，不能作为费用处理。如果把资本性支出误记到费用中，会造成企业当期资产和收益的同时减少。( )

检测高分子防水卷材抗拉强度时试件的形状为（）。

A.长方形

B.正方形

C.哑铃状

D.不规则四边形

陆地表面对太阳辐射的反射率约为10％~30％。其中深色土比浅色土反射能力小，粗糙土比平滑土反射能力小。雪面的反射率大约为（），洁白的雪面可达（）。

A.50%，70%

B.55%，80%

C.60%，90%

D.65%，100%