题目

观察下列各式：…，根据以上规律，则（ ）A. 123 B. 76 C. 47 D. 40 答案：【答案】C【解析】由数字构成数列，可得数列满足，即可求解，得到答案．根据题设条件，由数字构成一个数列，可得数列满足，则，故选C．根据句意，用括号中所给词的正确形式填空。【小题1】Do you know the______ (important) of English study?.【小题2】It is ______ (correct) to hunt red-crowned cranes.【小题3】If it ______ (snow) tomorrow, we won’t go to the park.【小题4】Andy was very tired, so he decided ______ (stay) at home to have a rest.【小题5】The girl has a ______ (smile) face and looks very lovely.【小题6】The world ______ (it) is becoming a smaller place because of the Internet.【小题7】The radio says it will be ______ (wind) next Monday.【小题8】The books are those ______ (win). They are new.