A qualitative evaluation of a proposal undertaken can be（）
A. What is the purpose of the project
B. What cash flows will arise from the project
C. When profits will arise from the project
D. Has any allowance been made for risk
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If a trader thinks that the value of yen with respect to the euro is about to fall, which of the following would enable him to make a profit（）
A. buy a forward contract for euros
B. buy a forward contract for yen
C. sell yen in the spot market
D. buy euros in the spot market
关于ROS Node的描述，哪一项是错误的（）
A. Node是ROS的进程
B. Node是ROS可执行文件运行的实例
C. Node启时会向Ｍaster注册
D. Node可以先于ROS Master启动
Location is the first thing customers consider when__ to buy a house（）
A. planning
B. planed
C. to plan
D. having planned
hummock（）
A. a desert
B. a low rounded hill
C. a high mountain
D. a plain
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