对儿童少年进行生长发育调查,调查前应对测量仪器进行()
A.准确度的校准
B.精确度、灵敏度的校准
C.精确度的校准
D.精度的校准
E.灵敏度的校准
参考答案:B
根据句意,在相应的横线上,写出括号内所给单词的适当形式。
小题1:It is getting more and more ________ (pollute). We should do something to solve the problem.
小题2:I don’t like the persons whose clothes are ________ (tidy).
小题3:They designed a car ________ (special) for disabled people.
小题4:Here is a list of the early ________ (settle) names. They have lived there for 30 years.
盐酸普萘洛尔化学名()
A.(1R,2S)-2-甲氨基,苯丙烷-1-醇盐酸盐
B.4-[(2-异丙氨基-1-羟基)乙基]-1,2-苯二酚盐酸盐
C.(R)-4-(2-(甲氨基)-1-羟基乙基-1,2-苯二酚
D.1-异丙氨基-3-(1-萘氧基)-2-丙醇盐酸盐
E.4-[2-((1-甲基-3-(4-羟苯基)丙基)氨基)乙基]-1,2-苯二酚盐酸盐