皮皮学，免费搜题
登录
搜题
【单选题】
设 [{a , b , c} , *] 为代数系统, * 运算如下: * a b c a a b c b b a c c c c c 则零元为( )。A.
a
B.
b
C.
c
D.
没有
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】________ regular exercise is very important, it's never a good idea to exercise too close to bedtime. [ ]
A.
If
B.
As
C.
Although
D.
Unless
【简答题】The benefits of telling a bedtime story should never be neglected by any parent. It is important to your child’s overall development. Telling bedtime stories helps your child expand his vocabulary, im...
【多选题】下列句子中，代词使用不当的是（）。
A.
我从小养成了独立生活的能力，父母对自己要求很严格，从不娇生惯养我
B.
你嫉妒我，我嫉妒你，这是一种很坏的作风
C.
谁也不知道他上哪儿去了
D.
饿急了，吃点什么都可以
E.
闰土的原型，真名叫章运水，章贵是他的孙子。他虽然并未见过鲁迅，但祖辈的友谊对他来说是那样亲切
【单选题】Which of the listed types of starting systems is often used on large, low-speed, direct reversing, main propulsion diesel engines?
A.
Electric
B.
Hydraulic
C.
Air
D.
All of the above
【单选题】My daughter usually enjoys her bedtime stories immensely, which are () made up with my wild imagination.
A.
elegantly
B.
eventually
C.
magnificently
D.
elaborately
【单选题】_____ regular exercise is very important, it's never a good idea to exercise too close to bedtime. [ ]
A.
It
B.
As
C.
Although
D.
Unless
【单选题】The register of the following discourse is____.－yo, sup?－Readin－What ya readin’ bout?
A.
static
B.
formal
C.
consultative
D.
casual
E.
personal
相关题目：