问题
单项选择题
在我国咯血的常见原因是
A.肺癌
B.肺吸虫
C.肺梗死
D.肺瘀血
E.肺结核
答案
参考答案:E
在我国咯血的常见原因是
A.肺癌
B.肺吸虫
C.肺梗死
D.肺瘀血
E.肺结核
参考答案:E
选择恰当的词补全句子。 | |
Canada. (4) the U.S, people speak (5). Its flag is red, white and (6). There are many stars and (7) on it. New York is a (8) city in the U.S. |