多项选择题
关于古曲《阳关三叠》下列说法正确的是
A. 是根据唐代诗人王维的诗《送元二使安西》谱写的一首琴歌 B. 其中的三叠指的是指一个曲调变化反复三次。 C. 全曲曲调纯朴而富有激情，略带淡淡的愁绪
关于古曲《阳关三叠》下列说法正确的是
A. 是根据唐代诗人王维的诗《送元二使安西》谱写的一首琴歌 B. 其中的三叠指的是指一个曲调变化反复三次。 C. 全曲曲调纯朴而富有激情，略带淡淡的愁绪
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多项选择题
日常生产实践中，湿热灭菌比干热灭菌效力要大，不属于其主要原因的是（ ）。
A. 使细菌迅速失活 B. 可迅速提高温度 C. 迅速破坏细菌酶类 D. 湿热有一定潜热，穿透力大，促进菌体蛋白凝固
日常生产实践中，湿热灭菌比干热灭菌效力要大，不属于其主要原因的是（ ）。
A. 使细菌迅速失活 B. 可迅速提高温度 C. 迅速破坏细菌酶类 D. 湿热有一定潜热，穿透力大，促进菌体蛋白凝固
单项选择题
Paraphrase: Choose the choice that best explains the meaning of the original sentence.
When there is an absence of reliable information about drugs, the risks involved in using them are greatly increased.
Paraphrase: Choose the choice that best explains the meaning of the original sentence.
When there is an absence of reliable information about drugs, the risks involved in using them are greatly increased.
A．The risks involved in using drugs have increased.
B．There are no risks involved in using drugs if we have reliable information about them.
C． Using drugs is more dangerous when we don’t know what effects and danger are involved.
D．There is no reliable information about drugs.