如果一个两位数除以它的各位数字的和,那么所得的最大的余数可能是______.

题型:解答题

问题:

如果一个两位数除以它的各位数字的和,那么所得的最大的余数可能是______.

考点:有余数的除法
题型:解答题

设集合M={y|y=2x,x∈R},N={y|y=x2+1,x∈R},则M∩N是(  )

A.∅

B.有限集

C.M

D.N

题型:解答题

Every minute is made full _________ of ________ our lessons well.

A.use; studying

B.usage; studying

C.use; to study

D.usage; to study

题型:解答题

A和B反应生成C和D。反应前后分子变化的微观示意图如下所示。

反应前                              反应后

请回答以下问题:

(1)1个A分子中含有_____个氢原子。

(2)A中氮元素和氢元素的质量比为_____。

(3)4种物质中,属于化合物的是_____(填化学式)。

(4)该反应的基本反应类型为_____。

(5)在该反应中,生成C和D的质量比为_____(计算结果用最简整数比表示)。

题型:解答题

患者男性,59岁,吸烟30年,每日20支,每到秋冬咳嗽15年,到呼吸科门诊咨询是否有慢性阻塞性肺病,早期慢性支气管炎肺部X线表现是

A.两肺纹理增粗、紊乱
B.肺透亮度增加
C.膈肌下降
D.胸廓扩张,肋间隙增宽
E.无特殊征象

题型:解答题

Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his head. They’re both poor though they work hard. Most villagers have built new houses, but they still live in the low and broken houses. They never find out why.
Once Uncle Li went to the town to buy some medicine for his wife. In the town he heard apples in a city were expensive. He told Uncle Wang about it as soon as he went back. They decided to carry some apples to the city. They borrowed some money from their friends and bought nearly 1,000 kilograms of apples in the villages and carried them to the city on a tractor. Bad luck! A lot of apples has already been carried there when they arrived. A few days later they had to sell them at a low price. They felt unhappy and returned to their village.
"I can’t understand why we sustained (蒙受) losses in business while others always profit (盈利)" Uncle Li asked one day.
"The tractor was too small" Uncle Wang said without thinking. "We’ll carry more apples on a truck next time!"
"I agree!" said Uncle Li. "How foolish we were!\

Which of the following is TRUE

A.The two farmers found out why they were poor.

B.The two farmers will soon get rich.

C.Neither of the farmers is clever.

D.The two farmers decided to buy a truck.

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