高血压危险度分层,高度危险组是指()
A.高血压3级,无危险因素
B.高血压2级伴靶器官功能衰竭
C.高血压1~2级,伴3个危险因素
D.高血压3级,伴3个危险因素
E.高血压1级,伴2个危险因素
参考答案:C
高血压危险度分层,高度危险组是指()
A.高血压3级,无危险因素
B.高血压2级伴靶器官功能衰竭
C.高血压1~2级,伴3个危险因素
D.高血压3级,伴3个危险因素
E.高血压1级,伴2个危险因素
参考答案:C
完形填空。 | ||||
Big schoolbags have been a serious problem for students for a long time. Maybe your schoolbag is too 1 to carry, and it troubles you a lot 2 you want to find a book out to read. Now an e-textbook will 3 you. It is said that e-textbooks are going to be 4 in Chinese middle schools. An e-textbook, in fact, is a small 5 for students. It is much 6 than a usual schoolbag and easy to carry. Though it is as small as a book, it can 7 all the materials (材料) for study. The students can read the text page by page on the 8 , take notes with the pointer (屏写笔), or even " 9 " their homework to their teachers by sending e-mails. All they have to do is to press a button. Some people say e-textbooks are good, but some say they may be 10 for the students' eyes. What do you think of it? | ||||
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