题目内容

为生产经营目的的使用或者销售不知道是未经专利权人许可而制造并售出的专利产品或者依照专利方法直接获得的产品，能证明其产品合法来源的，不承担侵权责任。 ( )

A. 对
B. 错

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两个以上的申请人在同一日分别就同样的发明创造申请专利的，应当在收到国务院专利行政部门的通知后自行协商确定申请人。 ( )

A. 对
B. 错

目前建筑工程中使用的垂直运输设施主要有、、、等。

Questions 11-13 are based on the following story about the speaker and his friends climbing in the Himalayas. You now have 15 seconds to read questions 11-13. Which of the following was NOT mentioned as one of the things they did during the long stop in the morning

A. Swimming and resting.
B. Writing diaries.
C. Watching birds.
D. Catching insects.

钢筋混凝土主要由、、__等组成。