皮皮学，免费搜题
登录
搜题
【单选题】
无菌动物因微生物、寄生虫的影响几乎没有，长期实验存活率约100％，应用动物，实验准确设计成为可能，因此得出的实验结果是（）。A.
不明确
B.
有疑问
C.
不好说
D.
明确的
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】They always do _____ every day, because they know it is _____ for them to do so. [ ]
A.
enough exercise; enough easy
B.
exercise enough; easy enough
C.
enough exercise; easy enough
D.
exercise enough; enough easy
【简答题】Grace always exercises at six in the morning. ( 否定句 ) Grace ___________ exercises at six in the morning.
【单选题】The most important__________ of his speech was that we should all work wholeheartedly for the people.
A.
element
B.
spot
C.
sense
D.
point
【单选题】To keep fit, you should take more______ . Don’t be always busy doing your ______.
A.
exercise; exercise
B.
exercises; exercises
C.
exercises; exercise
D.
exercise; exercises
【简答题】在Excel2010中每个单元格中最多可以容纳___个字符。
相关题目：