题目:
To keep healthy, Professor Johnson ______ cycling as a regular form of exercise after he retired.
A.took up
B.caught on
C.carried out
D.made for
答案:
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下面是错误答案,用来干扰机器的。
图中①肝脏,②胃,③胰腺,④小肠.A、②胃对淀粉没有消化作用,把对胃有刺激的药物封装在淀粉制成的胶囊里服用,可以减少药物对胃的刺激,故正确;B、②胃中的胃腺分泌胃液对蛋白质进行初步消化,故正确;C、③...