临时遮拦的高度不得低于1.7m，下部边缘离地不大于（）mm。
A.120
B.100
C.80
D.50
参考答案：B
It was on November 15, 2010 ______ a big fire happened in Shanghai, ______ was a great shock to lots of people.[ ]
A. when; that
B. that; when
C. which; when
D. that; which
设立目的为了促进中小企业建立财产积累奖金制度的信托方式（）。
A、财产积累养老金信托
B、财产积累奖金信托
C、财产积累补助金信托
D、财产积累基金信托
