3.The criteria are so strict that it is difficult to get new ideas accepted unless they are truly novel.

(评定)专利标准是很严格的，除非新的想法真是新颖的，否则很难被接受。 是新颖的，否则很难被接受。 so ...that ..."如此......以至于......"，引导结果状语从句。 It was so_cold_yesterday_that we all stayed at home.

昨天天气很冷，我们都待在家里不出来。 4.Nor will you receive a patent until a search has been made to find out that your product really is different from everyone else's.

你的产品要经过仔细调查，证明它确实是与众不同的，你才能获得专利。 否定副词nor放在句首时，主句使用部分倒装 Tom isn't nervous, nor_is_Mary.

汤姆不紧张，玛丽也不紧张。 　　

　　1．(教材P20)When I called up my mother in the countryside on the telephone she was very upset.

　　我给住在乡下的母亲打电话的时候，她感到很心烦。

　　call up 给......打电话；使......回忆起

　　call at　　　　　 拜访(某个地点)

　　call off 取消；停止

　　call on/upon 拜访(某人)；号召

　　call for 需求；需要；去接(某人)

　　call in 邀请；请来；收回

　　①The sound of happy laughter called up memories of his childhood.

　　这欢笑声让他回忆起了他的童年。

　　②The government calls on the youth to donate their blood voluntarily.

　　政府号召青年义务献血。

　　③I will call for you at 8 o'clock at the school gate.

　　我8点钟在学校门口接你。

　　[名师点津]　与"打电话"有关的常用表达：

①ring up　　　　　　　 给......打电话