【判断题】【消耗次数：1】
方程个数等于未知量个数的线性方程组一定有唯一解.
①
正确
②
错误
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
The caregivers hope the elderly people will soon.（考点：recover）
①
regain
②
restore
③
recover
④
refeel
【单选题】
—Do you have much experience with caring for babies?— .
①
Yes, I do. I am responsible, loving, warm girl, and often take care of kids in my free time.
②
No, you are freshmen. You should work hard.
③
Yes, they are. They are very cute.
【单选题】
—Linda, what’s wrong with your grandmother?— .
①
She is not retired
②
She hurt her leg.
③
She got a new house.
④
She got a new book.
【单选题】
The better the elderly people are known, they are.
①
the happier
②
the happy
③
so happy
④
very happy
【单选题】
—Ken did badly in his math test. Im terribly worried about the result.— .
①
I am so happy he is very healthy.
②
Well, it is hard to see.
③
Come on. it isn’t the end of the world.
【单选题】
She chose to be a teacher, but personally I’d to be a caregiver.
①
fancy
②
prefer
③
love
④
hate
【单选题】
Translation: Apple has entered the textbook market.
①
苹果公司已经开发了市场学教材。
②
苹果公司已经进入了教材市场。
③
苹果已经在市场上销售了。
④
苹果已经在市场了。
【单选题】
—It’s raining so heavily outside. I’m terribly anxious about my son’s safety. — .A. Well. He is a good boy.B. Yes, it is. It will rain tomorrow.C. Don’t worry about him. He will come back safe and sound.2. —Do you have much experience with caring for babies?
①
Well. He is a good boy.
②
Yes, it is. It will rain tomorrow.
③
Don’t worry about him. He will come back safe and sound.