答案解析:

1.答案: the less likely you are to make mistakes//the more impossible it is for you to make mistakes.

详解:
考查the+比较级..., the+比较级结构: 表示”越...越...”。此句中“越不”表达否定，所以可用the less，也可用the more+否定意义的词来表示。
考查高频短语: “不大可能be(un)likely to do sth.或it is (im)possible for sb. to do sth.

2. 答案: gives priority to heavy industry

详解:
考查固定结构: "优先"的表达为give priority to
考查词组: "重工业"的表达为heavy industry.