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【单选题】
通心络胶囊干预颈动脉斑块的多中心随机双盲安慰剂平行对照（CAPITAL）研究属于？
A.
多中心、随机、双盲、安慰剂平行对照实验
B.
随机、双盲实验
C.
双盲实验
D.
随机实验
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Directions: Read the following text. Choose the best word(s) for each numbered blank. Each year, hundreds of thousands of people die from heart attack, a leading cause of death. In the ...
A.
followed
B.
examined
C.
monitored
D.
experienced
【单选题】Every fall, like clockwork, Linda Krentz of Beaverton, Oregon, felt her brain go on strike. "I just couldn’t get going in the morning," she says. "I’d get depressed and gain 10 pounds every winter and...
A.
Its effect remains to be seen.
B.
It serves as a kind of placebo.
C.
It proves to be an effective therapy.
D.
It hardly produces any effects.