【单选题】What does the taxi driver think of people according to Paragraph 3?
A.
Many people like to drive garbage trucks.
B.
Many people dump garbage wherever they like.
C.
Many people are warm-hearted to make others happy.
D.
Many people tend to be very much depressed.
【多选题】二级结构预测工具 psipred 可以提供以下几种蛋白质二级结构的预测 :
【简答题】膨润土防水毯的固定应采用 ________ ;永久收口部位应用 ______ 和 _____ 固定,并用 ________ 覆盖。
【简答题】记账凭证的编制依据是审核无误的原始凭证。( )
【判断题】记账凭证的编制依据是审核无误的原始凭证。 ( )