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【单选题】
—We’d like Chinese black tea,please. —Sorry,we don’t __________ Chinese tea.
A.
do
B.
make
C.
serve
D.
cook
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【简答题】缩合聚合反应中,除聚合速率外, 是体型缩聚的关键。
【单选题】The decision , the next problem was how to make a good plan.
A.
having made
B.
having been made
C.
having been making
D.
made
【单选题】The problem was how to get enough food to ______ life.
A.
attain
B.
contain
C.
sustain
D.
retain
【单选题】______. the next problem was how to carry it out.
A.
Having made the plan
B.
The plan has been made
C.
Has the plan been made
D.
The plan having been made
【判断题】点位控制只规定了各点的位姿,不规定各点之间的运动轨迹
A.
正确
B.
错误
【单选题】______, the next problem was how to make a good plan.
A.
Having made the decision
B.
Has the decision been made
C.
The decision having been made
D.
The decision has been made
【判断题】点位控制只规定了各点的位姿,不规定各点之间的运动轨迹
A.
正确
B.
错误
【判断题】根据斯托尔帕-萨谬尔森定理,当一个资本丰裕的国家对劳动密集型商品征收进口税时,该国的工资水平会上升。
A.
正确
B.
错误
【单选题】测定溶液的吸光度时,入射光波长通常选择
A.
最大吸收波长
B.
最小吸收波长
C.
白光
D.
任意波长
【单选题】The decision ( ), the next problem was how to make a good plan.
A.
having made
B.
having been made
C.
has been made
D.
having been making
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