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{{B}}Bringing
Nanotechnology to Health Care for the Poor{{/B}} Nanotechnology uses matter at the level of molecules and atoms. Researchers are finding different uses for particles with a length of one nanometer, or one-billionth of a meter. These include things like beauty products and dirt-resistant clothing. But one area where many experts believe nanotechnology holds great promise is medicine. Last week, speakers at a program in Washington discussed using nanotechnology to improve health care in developing countries. The program took place at the Woodrow Wilson International Center for Scholars. Peter Singer at the University of Toronto says a nanotechnology called quantum dots could be used to confirm cases A. By making a drug target the locus of a disease. B. By changing the structure of the body cells. C. By lowering the side effects caused by a drug. D. By letting a patient take a dose as large as possible. [填空题]The other day my brother Tom was beginning his 44.
motorbike then our neighbor， Mary came out and asked 45.
him if he was going near the station. So he offered her a lift.
She got at the back of the motorbike and46.
they drove away. Just before they reached to the station47.
a policeman waved to them to stop. “Excuse me， sir，” he said,
“You are not sitting on that motorbike properly.”
“Whats matter with the way Im sitting？” my brother 48.
asked in surprise. “Not you，sir. Its a young lady，” said 49.
the policeman, “In this country sidesaddle（偏座） is not 50.
permitted when one ride a motorbike.” Mary made an excuse51.
that she was from Italy， where it isnt considering to 52.
break the law when people take the sidesaddle.
The policeman shook head and drove away.53.
[多选题]一键顺控操作时，认真履行操作监护制和唱票复诵制，监控操作前认真检查操作设备的（）、（）、（），确保选择的顺控操作票正确无误。
A.变电站 B.名称 C.编号 D.公司名称 [判断题]在中性点直接接地系统中，零序电流互感器一般接在中性点的接地线上。( )
A.正确 B.错误 [单选题] 迁钢厂区主干路要求机动车行驶速度为( )。
A.30KM/h B.40KM/h C.50KM/h D.60KM/h [判断题]安全线及避难线上，禁止停留机车车辆。
A.正确 B.错误 [多选题]警情受理的要求是地点清、情况明、加强先期预判、把握主导地位、( ）。
A.遵守受理程序 B.热情服务群众 C.利用信息手段 D.重视重复报警 [判断题]小电阻接地系统调压器二次中性点接地刀闸可以断开。
A.正确 B.错误 [单选题]等离子弧切割要求具有()外特性的()电源。
A.A.陡降；直流 B.B.陡降；交流 C.C.上升；直流 D.D.缓降；交流 我来回答: 提交
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