皮皮学,免费搜题
登录
搜题
【单选题】
吐温类表面活性剂溶血作用的顺序是
A.
吐温20>吐温40>吐温60>吐温80
B.
吐温80>吐温60>吐温60>吐温20
C.
吐温80>吐温40>吐温60>吐温20
D.
吐温20>吐温60>吐温40>吐温80
E.
吐温40>吐温20>吐温60>吐温80
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
【简答题】Part B 词汇29-35
【单选题】听力原文:Where is Bill? (13)
A.
Bill is ten.
B.
Bill is swimming.
C.
Bill is at school.
【单选题】( 29 )有如下程序: #include using namespace std class Part{ public: Part(int x=0):val(x) {cout$amp ~Part(){cout$amp private: int val } class Whole{ public: Whole(int x ,int y, int z=0):p2(x),p1(y),val(z){co...
A.
) 123321
B.
) 213312
C.
) 213
D.
) 123123
【简答题】Part B 词汇29-35
【简答题】Part B 语言功能较难词汇
【单选题】_________ people took part in the 29th Olympic Games in Beijing in 2008. [     ]
A.
  Million
B.
  Millions
C.
  Million of
D.
  Millions of
【单选题】Part 3 Question 29
A.
B.
C.
C
【简答题】Part C 词汇
【简答题】What does the author liketo do as a scientist with other researchers?[A]Reprint research papers. [B]Exchange research findings.[C]Chat with them on theInternet.[D]Wish each other the best ofluck.
【单选题】长轴类锻件从端面作轴向检测时,容易出现的非缺陷回波是( )
A.
三角反射波
B.
61°反射波
C.
轮廓回波
D.
迟到波