实验室记录保存是下列那一项的基本要求应符合以下?()
A.良好的实验室规范
B.良好的记录保存规范
C.良好的检测规范
D.良好的家政规范
参考答案:A
句型转换
在B 句中填入合适的词, 使之在意义上同A 句相同或相近.
1. A: "Have you ever seen him?" asked the boss.
B: The boss asked me_______ _______ _______ ever seen him.
2. A: They seem to know what they are doing.
B: _______ _______ _______ they know what they are doing.
3. A: Do you know the girl in our school, the parents of whom are English?
B: Do you know the girl in our school _______ parents are English?
4. A: In the terrible earthquake, many people asked the government for help.
B: In the terrible earthquake, many people _______ _______ the government _______help.
2005年版第五套人民币100元券纸币,下方图片中(5、19)号位是()防伪特征。
A、胶印对印图案
B、对印图案
C、阴阳互补对印图案