西日耳曼人主要包括( )。 ①撒克逊人 ②苏维汇人 ③法兰克人 ④阿勒曼尼人 ⑤哥特人
A.①②③⑤
B.①③④⑤
C.①②③④
D.①②④⑤
参考答案:C
根据首字母完成短文
We live in the “computer a 小题1: ”. People, such as scientists, teachers, writers and students, use computers to do all k 小题2: of work. But more than 30 years ago, computers couldn’t do m 小题3: . They were very big and expensive. Few people were i 小题4: in them or knew how to use them. Today computers are smaller and c 小题5: . Since they can do lots of work, many people like to use them. Some people even have them at home. Computers became very important, because they can work faster than men and make f 小题6: mistakes. They can help people do a lot of things. W 小题7: now use computers to write, teachers use them to help teaching, students use them to help study, and children use them to play g 小题8: . Computers are very u 小题9: and helpful. They are our good friends. Do you want to o 小题10: a computer?
对动脉粥样硬化的描述不正确的是
A.最常发生在肾动脉开口以上的腹主动脉B.冠状动脉的前降支易受累C.大脑中动脉易受累D.可引起肾固缩E.下肢动脉比上肢动脉易受累