室内固定式灯具的安装高度应为()。
A.≥2.5m
B.>2m
C.2m
D.1.8m
参考答案:A
读句子,判断正误。
a. The New Year's Day is in January Yes口 No口
b. Chinese New Year is usually in February. Yes口 No口
c. Christmas is not in December. Yes口 No口
d. You don't go to school in August. Yes口 No口
e. Teachers' Day is in October. Yes口 No口
f. Spring usually starts from March. Yes口 No口
角膜溃疡呈树枝状或地图状()。
A.链球菌感染
B.真菌感染
C.单纯疱疹病毒感染
D.铜绿假单胞菌感染
E.结核分枝杆菌感染