绝缘油中T501抗氧化剂含量检测(液相色谱法)所用仪器设备包括()。
A.搅拌器
B.移液管
C.具塞比色管
D.微量注射器
参考答案:A, B, C, D
Allen had to call a taxi because the box was____to carry all the way home. [ ]
A. much too heavy
B. too much heavy
C. heavy too much
D. too heavy much
关于葡萄胎随访,下述哪项不需要
A.定期做 * * 细胞学涂片检查B.避孕措施不可采取上环C.相当时期内指导避孕D.定期作hCG定量检查E.必要时作胸部x线检查