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【单选题】
患者女，72岁，10年前出现四肢疼痛，呈游走性，以夜间为著。后逐渐出现关节畸形，功能受限。家族史：其母病逝于骨肉瘤。查体：体温正常。头颅无畸形，五官端正。心、肺查体无异常。双肘关节、膝关节、髋关节畸形，功能受限。四肢肌力正常，肌张力降低。入院后查血、尿常规（-），肝功能：ALP186U/L，肾功能正常。X线示双肘关节、膝关节、髋关节关节腔破坏，关节脱位。颅脑X线平片未见异常。考虑诊断为畸形性骨炎，给予对症治疗后，患者疼痛症状基本缓解，复查ALP恢复正常。无论选择何种药物，能证明治疗有效的S-ALP下降幅度需达到（）A.
≥30%
B.
≥40%
C.
≥50%
D.
≥60%
E.
≥70%
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【单选题】A new survey shows that 54% of Americans do not take prescription medicines _______ though they are important to their health. [ ]
A.
as they instruct
B.
as were instructed
C.
as to be instructed
D.
as instructed
【单选题】The author tells us in paragraph 4 ______.
A.
the reasons for keeping medicines at home
B.
people's doubt about taking drugs
C.
what kind of medicine people should prepare at home
D.
the possible harms self-medication may do to people
【简答题】填充命令命令的快捷键[填空(1)]
【单选题】With science and technology advancing, plentiful kinds of medicines are being developed to _____ us of our pain caused by diseaese.
A.
cure
B.
remove
C.
relieve
D.
reduce
【单选题】Suppose a new vaccine for Lyme disease is developed by Merck, a large drug company. Which of the following is most likely to occur?
A.
Merck will apply for a patent on the vaccine that grants it the monopoly rights to the vaccine for many years.
B.
Merck will have a monopoly on this vaccine because of economies of scale.
C.
Other firms will quickly copy the formula making the market for the vaccine competitive.
D.
Merck will not tell anyone about its discovery though it will sell the vaccine.
【简答题】“填充”命令的快捷键
【单选题】A new survey shows that 54 percent of Americans do not take prescription medicines ________ though they are important to their health. [ ]
A.
as they instruct
B.
as were instructed
C.
as to be instructed
D.
as instructed
【简答题】By and large, people in the United States suppose that people from other cultures also dislike poverty and value hard work.
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