问题
单项选择题
犹太民族很少患阴茎癌,其原因是()。
A.有民族免疫性
B.讲究卫生
C.生活条件优越
D.幼时做包皮环切术
E.经常体育锻炼
答案
参考答案:D
解析:阴茎癌与包皮过长或包茎有关。
犹太民族很少患阴茎癌,其原因是()。
A.有民族免疫性
B.讲究卫生
C.生活条件优越
D.幼时做包皮环切术
E.经常体育锻炼
参考答案:D
解析:阴茎癌与包皮过长或包茎有关。
用所给词的适当形式填空。 | |
2. Tiger Woods become a _________ tennis star when he was 21 years old. 3. Li Yundi is a well-known Chinese _________. He plays the piano very well. 4. My mother bought the fish to eat yesterday, but it is still ________ today. 5. My grandma can't see anything without _________ glasses. |