皮皮学，免费搜题
登录
搜题
【简答题】
显微镜发明时间是: 。 血细胞发现时间,红细胞: ,白细胞: , 血小板: 。 首次提出干细胞概念的时间是: 。 1961年,Till等证明造血干细胞的技术为: 。
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】From the information in paragraph 3, it is obvious that ______.
A.
the American way is the only right way to behave.
B.
the puritan heritage stresses noncontact culture
C.
American children are more polite than those in other countries
D.
American people usually cannot make themselves understood
【简答题】Directions: Read the second half of the above artical Mistakes to avoid, put one word in each space. ..., you (1)____________ need to highlight key words ... ... looking for key words (2) ____________...
【简答题】Some people succeed, while others may not. This is because some people have certain qualities, which others do not have. The first thing you must remember is that 1 succeed, you must be optimistic( 乐观...
【简答题】You will need to seek __________ advice if you want to win this case.
相关题目：