皮皮学，免费搜题
登录
搜题
【简答题】
如图中,A--E示意人体的不同结构层次,请据图分析回答下列问题. (1)图中的细胞A是 .在由A到B的过程中, 复制后形成形态、数量完全相同的两等份,分别进入两个新细胞. (2)B通过 形成C.在此过程中,细胞的形态、结构和功能产生了差异. (3)在如图的结构层次当中,人体具有而植物没有的是[ ] .(序号和名称都对得分) (4)系统是能够共同完成一种或几种生理功能的多个器官按照一定的次序组合.图中所示的系统具有生理功能是 .
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
【多选题】单相桥式整流电路:
A.
用两个二极管组成
B.
用四个二极管接成电桥形式
C.
与半波整流电路比脉动成份减少
D.
输出电压的平均值比半波时增加了一倍
E.
输出电压的平均值和半波时一样
【单选题】---Which house do you think is Uncle Lee’s? ---I think the one _________ door faces south is his.
A.
whose
B.
which
C.
that
【单选题】—What do you think of this film? —It's ______ than the last one, I think. [ ]
A.
interesting
B.
interested
C.
more interesting
D.
more interested
【单选题】--This is ______ useful book, I think.-- So it is, and it's ______ unusual one.
A.
a a
B.
a an
C.
an an
【简答题】桥式整流电路的输出波形脉动比半波整流电路 。
【单选题】I haven't read ____ of his books, but judging from the one I have read I think he's a very promising writer. [ ]
A.
any
B.
none
C.
both
D.
either
【单选题】— What do you think of the book A Child's Garden of Verses? — Wonderful. It's ______ one I have ever read. [ ]
A.
a better
B.
a great
C.
the best
D.
a good
相关题目：