问题
单项选择题
酸性物质
A．对蛋白质有凝固作用
B．与人体组织接触极易渗透到深层组织
C．角膜上皮不留瘢痕
D．角膜穿孔
E．视网膜脱离
答案
参考答案：A
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酸性物质
A．对蛋白质有凝固作用
B．与人体组织接触极易渗透到深层组织
C．角膜上皮不留瘢痕
D．角膜穿孔
E．视网膜脱离
参考答案：A
| 短文填空。 | |
o'clock. He brushes (刷) his teeth (3)______ eats breakfast. After breakfast he plays his guitar. Then he goes to see his grandfather (4)______ his parents. They (5)______ some fruit for his grandfather. His grandfather is very (6)______ to see them. They have lunch together (一起). (7)______ the afternoon Mike goes to the basketball club. There he plays basketball for (8)______ hour (小时). Mike (9)______ home at five o'clock. At five thirty he eats dinner. Mike goes to bed at ten thirty. This is Mike's (10)______. |