皮皮学,免费搜题
登录
搜题
【简答题】
如图两个椭圆分别表示正数集合和整数集合 (1)请在每个圈内填入6个数; (2)其中有3个数既是正数又是整数这3个数应填在______处(A,B,C),你能说出两个圈重叠部分表示什么数的集合吗?
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】We have read medieval English poetry and drama, and we have also studied Old English.
【单选题】—Sorry, I couldn't find the magazine you asked for. — ____________.
A.
Don't mention it
B.
No problem
C.
It's all the same
D.
Thanks anyway
【单选题】西门子 MM420变频器的主线路电源端子()需经交流接触器和保护用短路与三相电源连接。但不宜采用主电路的通、断进行变频器的运行与停止操作。
A.
X、Y、Z
B.
U、V、W
C.
L1、L2、L3
D.
A、B、C
【简答题】英汉互译 1. Which of these books do you think is the best? 2. 你认为谁会赢得这场比赛? 3. 你认为我应邀请多少人?
【单选题】Which of these books come first in order in the Old Testament?
A.
Ecclesiastes
B.
Ruth
C.
Exodus
D.
Samuel1
【单选题】Which of these two books would you like?
A.
ll like         , because they are too hard for me.
B.
both
C.
neither
D.
either
E.
all
【单选题】To fully understand Shakespeare’s works, we must read not only between the lines of his drama, but sometimes __________ the lines.
A.
within
B.
beside
C.
beyond
D.
among
【单选题】 为了抛光义齿时不损伤组织面,可采用( )饱和溶液浸泡,去除石膏残屑
A.
 硫酸镁
B.
 氟化钠
C.
 枸橼酸
D.
 石英砂
【单选题】为了抛光义齿时不损伤组织面,可采用( )饱和溶液浸泡,去除石膏残屑
A.
硫酸镁
B.
氟化钠
C.
枸橼酸
D.
石英砂 我的答案:
【简答题】对单杠杆气动差压变送器,若将正压室接在高压端,负压室接在低压端,则-- 。1随着压差增大,其输出减小;2随着压差减小,其输出增大;3随着压差减小,其输出减小;4随着压差增大,其输出增大。A. ③④ B. ①② C. ①③ D. ②④
相关题目: