[单选题]《太原机务段中层及以下管理和专业技术人员选拔任用工作实施办法》规定，提拔担任中层管理岗位，应当在下一级岗位任职满（）。
A.1年
B.2年
C.3年
D.5年

Angela Rogers is describing a boat trip which she took with her husband down the Nile. It was the summer of last year when we went, It was a special package holiday which included three days in Cairo, and a week cruising down the Nile. It sounded lovely in the brochure. Relaxing. luxurious, delicious food—all the unusual things. And the boat looked nice in the picture. In fact when we got there, and on the boat, it was exactly the opposite of luxurious. It was positively uncomfortable. It was too small to be comfortable. And too hot. The only air-conditioning was from the wind and inside, in the cabins, it was too hot to sleep, and the dining room was stifling. My husband and I paid the special rate for the best cabin. I’m glad we didn’t have to stay in the worst one. The cabins were very poorly equipped; there wasn’t even a mirror, or a socket for a hair drier, or even a point for the electric razor. There was a shower, but the water pressure wasn’t

There are 3 types of university courses in the U. S. A..
The first one is called a lecture course. If you’ re an undergraduate in almost any field or major. You can expect to spend between four and six hours a week attending lectures for each class. Lecture courses are often held in very large rooms because undergraduate courses such as Introduction to Psychology or Introduction to Economics can have as many as two or three hundred students, especially at large universities. During a lecture, the professor talks and you have to take notes. And this is very important because the information in a lecture is not the same as the information in your books, and you can expect to have questions on your exams that are based on the lectures. So it isn’t enough just to read your textbooks, like it is in some countries: here you have to attend lectures as well, and you have to take notes.
Now, in a typical week, for every class you’re taking you&rsq