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问题 填空题

投掷出手的铅球能够继续向上飞行，是由于______，它最后会下落到地面是因为______．

答案

因为抛出去的物体斜向上运动，由于惯性物体会继续向上运动；因为物体受到重力作用，所以物体最终要落会地面．

故答案为：惯性，受到重力作用

单项选择题

The client is advised by the physician to have mammography screening annually. Which of the following is the best measure to improve adherence with mammography screening

A．Making sure that the individual barriers to screening are minimized.

B．Emphasizing that mammography screening can prevent breast cancer.

C．Emphasizing that mammography screening is a low-cost approach to cancer prevention.

D．Informing the client that she is at high risk for breast cancer and needs to follow the physician's recommendation.
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多项选择题

( )，对公安工作和队伍建设提出了新的挑战，公安工作和公安队伍建设存在的突出问题迫切需要抓紧解决，这是当前加强正规化建设、明确现阶段新的管理标准的出发点和立足点。

A．社会治安局势的日益复杂

B．依法治国方略的不断推进

C．人民群众民主法制意识的不断提高

D．国际交往与合作日益增多
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