在满足地基稳定和变形要求的前提下，基础宜浅埋，除岩石地基外，基础埋深不宜小于( )m。

Some people do not like anything to be out of place. Th...

单项选择题Some people do not like anything to be out of place. They are never late for work; they return their books to the library on time; they remember people′ s birthdays and they pay their bills as soon as they arrive. Mr. Brown is such a person. Mr. Brown works in a bank, and lives on his own. His sister lives in the next town with her husband, and her son, Mark. Mr. Brown doesn′ t see his sister or her family from one year to the next, but he sends them Christmas cards, and he hasn′ t forgotten one of Mark′ s seventeen birthdays. Last week Mr. Brown had quite a surprise. He drove home from the bank at the usual time; driving neither too slowly nor too fast, he parked his car where he always parked it, out of the way of other cars, and he went inside to make his evening meal. Just then there was a knock at the door. Mr. Brown opened the door to find a policeman standing on the doorstep.
"What have I done wrong?" Mr. Brown asked himself. "Have I driven on the wrong side of the road? Has there been some trouble at the bank? Have I forgotten to pay an important bill?"
"Hello, uncle," said the policeman, "My name′ s Mark. "
"...he hash′ t forgotten one of Mark′ s seventeen birthdays" means .

期货交易品种,包括( )。

问答题期货交易品种,包括( )。

Sometimes I feel that being the mother of three small c...

单项选择题Sometimes I feel that being the mother of three small children is like operating a large circus(马戏团).（21）afternoon last week, my three sons playing peacefully in the back yard(院子),（22）the ball from one to another. I jumped at the chance to talk to one of my friends（23）the phone, but before I（24）to the phone, I could tell the boys had begun to quarrel with each other about something. I rushed out to（25）peace, but before I got there Charles had（26）a rock at Mark, and hit him in the eye. By the time I got to the back yard, they had begun to（27）about this. Even David, the oldest boy, who won′ t usually fight with anybody about（28）, was involved(卷入,). First, I（29）them stop fighting, and then I examined Mark′ s eye. I decided that it wasn′t going to develop into a black eye, but I felt that they should（30）at least a little for（31）they had done "I′ m going to（32）to your father about this when he comes home for tomglat, said. "He and I will think of how to punish you. "Things were（33）quiet after that about half an hour, and then Charles（34）a glass in the kitchen, and at almost the same（35）, Mark fell out of the apple tree.
第（23）题选