更多"The microscope enables scientists t"的相关试题:
[单项选择]The microscope enables scientists to distinguish a(n) ______ number and variety of bacteria.
A. selected
B. incredible
C. verifiable
D. unavoidable
[单项选择]Scientists are eager to talk with other scientists working on similar problem.
A. 科学家热衷于与从事类似课题研究的其他科学家交流。
B. 科学家更容易与其他科学家谈话来解决相同的问题。
C. 科学家很乐意在解决类似问题时同其他科学家交流。
D. 科学家更容易就雷同的问题与其他科学家交谈。
[单项选择]Medical scientists believe that
A. tests have been designed to settle the cholesterol dispute
B. drugs have been tested to reduce the amount of the substance in blood
C. low cholesterol foods or anti-cholesterol drugs or both can reduce the chance of a heart attack
D. none of the statements mentioned above is correct
[单项选择]The government should distinguish between unlabeled use and disapproved use of a drug by ______.
A. prohibiting the unlabeled use
B. permitting the disapproved use
C. allowing the practice of the unlabeled use
D. hastening their approval of the disapproved use
[单项选择]The combination of lenses in a compound microscope makes possible greater amplification than can be achieved with a single lens.
A. management
B. magnificence
C. magnetism
D. magnification
