【单选题】What can we learn from the first paragraph?
A.
It is a natural tendency for people to believe that innovation is stimulated by patents.
B.
The inventors cannot reap the fruits of their patents until many years later.
C.
Individuals and organizations welcome competitions brought about by the patentees.
D.
Patenting can never be a blessing to society if it fails to benefit people at large.
【简答题】单词拼写。 1. In the Torch Festival, the Yi people danced in their national c_____. 2. The black people were no longer bought and sold as slaves after the slave trade was a_____. 3. The lazy guy w_____ aro...
【单选题】枢椎齿状突超出钱氏线( )可诊断为颅底凹陷。
【判断题】The Torch Festival is only celebrated among the Yi People.
【简答题】任务型阅读。 Many people love drinking bottled (瓶装的) water because of the convenience. They believe that it is better to drink bottled water than to drink water out of the tap. However, all those bottles ar...
【判断题】The Torch Festival is a traditional festival of the Yi people.
【简答题】简述使用频率特性建立系统数学模型的优点(答出其中二点即可)。