【题目】He claims to be an expert in astronomy, but ________ he knows about it is out of date.

【题目】I defeated him by knocking down his (争论，讨论，辩论）

【题目】—Bob says he will draw lessons from his failure and continue to try.

【题目】Leaving the door unlocked is an open _________ to burglars(夜盗).

【题目】What a pleasant （荫，阴凉处）this tree gives us!

【题目】A yellow background will make the black characters ________.

【题目】What is the （连接，关系）between the two ideas?

【题目】We shall meet at the same place ________ we met for the first time.

【题目】The award should be given to _______ makes great contributions to the film industry.

【题目】This method is （计划，打算）for debugging调试only, as it lets me compare the result of aparse 解析with expected results.