The teaching method should be varied at different stages of learning______achieving better
A. in order to
B. as a result of
C. with a view to
D. in relation to
查看答案
选择建立苗圃地时,土壤质地以()为好。
A壤土、沙壤土、轻壤土
B黏土
C沙土
D盐碱土
疖肿早期的处理是
A. 疖顶部涂2%碘酊
B. 疖顶部涂70%乙醇
C. 挤出脓头
D. 切开引流
E. 应用大量抗生素
治疗破伤风时,注射破伤风抗毒素,首次剂量为
A. 1000~1500U
B. 3000~5000U
C. 6000~15000U
D. 2万~5万U
E. 6万~8万U