题目内容
（请给出正确答案）
Who brought the Frenchmen's neckwear to Britain？
A．Tony Blair.
B．Charles I1.
C．Jim Callaghan.
D．Andrew Turnbull.
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更多“Who brought the Frenchmen's ne…”相关的问题
A、A Tale of Two Cities
B、Great Expectations
C、Hard Times
D、David Copperfield
A．Reduce Stress
B．Avoid Isolation
C．Adopt a Positive Attitude to Life
D．Keep Your Mind Active
E．Maintain Balance
F．Accept Failure
A．focusing on the unpleasant
B．dealing with life's problems
C．keeping the mind active
D．changing our association
E．living a long life
F．setting realistic goals
A．By making a drug target the focus 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．
Nanotechnology uses matter at the level of mo1ecules 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 eases of malaria．He says it could offer a better way than the traditional process of looking at a person’s blood under a microscope．
In poor countries，this process is often not followed． As a result，sick people may get treated for malaria even if they do not have it． Such misuse of medicines can lead to drug resistance. Quantum dots are particles that give off light when activated． Researchers are studying ways to program them to identify diseases by lighting up in the presence of a targeted molecule．
Experts say nanotechnology shows promise not just for diagnosing diseases，but also for treating them. Piotr Grodzinski of the National Institutes 0f Health talked about how nanotechnology could make drugs more effective．He talked about cancer drugs already developed with nanotechnology．He says if a drug can target a cancer locally in the body，then mach less of it might be needed，and that means lower side effects．
Andrew Maynard is chief scientist for the Project on Emerging Nanotechnologies at the WoodrowWilson Center．He noted that Brazil，India，China and South Afrieca are currently doing nanotechnology research that could help poor countries． But he also noted that there is some risk in using nano—materials. He says nanometer—sized particles behave differently in the body and the environmentcompared to larger particles． Experts say more investment in research is needed to better understand these risks．
第 36 题 Which of the following uses of nanotechnology is NOT mentioned in the passage？
A．To make beauty products and dirt—resistant clothing．
B．To produce better and lighter building materials．
C．To help more accurately diagnose diseases．
D．To help more effectively treat diseases．
A．permanent
B．powerful
C．striking
D．practical
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