定时散射比浊分析中,预反应时间段加入的样本是()。
A.待测全量样本
B.待测全量样本的十分之一
C.待测全量样本的五分之一
D.待测全量样本的二十分之一
E.已知抗体
参考答案:B
双向翻译(共5小题;每小题2分,满分10分)
The environmental speaker Ms Lin thinks it is our duty to try to 1. (削减产量 ) and reduce the amount of things we make and buy. The amount of rubbish we produce is turning into a big problem; we need to think more about recycling our waste. 2.It would be good to teach people ways of living that do not harm the environment. We may even create more jobs and help our country become more developed at the same time. 3. But Mr Qian believes that people are more important than fish and trees. He does agree that we should produce more things from materials that have been recycled, and less from raw materials. 4. (我们所需要的 )are better laws to preserve the environment and still allow our country to grow. Finally,5. those factories which pollute the environment should have to pay higher taxes。
关于信用证的审核,以下哪些认识是不正确的()。
A.审证是出口人承担的任务
B.审证的依据只是买卖双方所签订的合同
C.审证的依据是买卖双方所签订的合同和《跟单信用证统一惯例》
D.要审查来证的性质和类别是否与合同规定相符
E.要审核装运货物和金额