There is some cheese in the plate. (改为否定句) There is ____ ____ cheese in the plate.
A. not, any
B. not, some
C. any, not
D. some, not
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Show this picture to your mother. (写出同义句) Show your ______ this ______.
A. mother, pictures
B. mother, picture
C. mothers, pictures
D. mothers, picture
Put it here. (写出同义句) _____ put it _____.
A. Do , here
B. Do, there
C. Don't, there
Don't , here
关于毒物,正确的说法是()
A. 毒物对人有害无益
B. 毒物的概念是相对的,许多物质在正常情况下对人无毒,甚至有益,但使用不当就可能使人中毒而成为毒物。
C. 药物不属于毒物
D. 剧毒的物质只要服用,就会导致中毒。
下列不属于腐蚀毒的是()
A. 强酸
B. 强碱
C. 一氧化碳
D. 升汞