Here I'll show you the exercise answers in Unit 1 of College English Comprehensive Course 4, so that you can check whether it is correct:

Part ii text a

Lexf organization

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The main idea of some paragraphs

Due to the severe winter in Russia, both Napoleon and Hitler failed in their military actions.

The second part is Napoleon's military action against Russia

The third part Hitler's military action against the Soviet Union

Conclusion-Any military action must take natural factors into account.

2.

Main point

Hitler's Blitzkrieg against Russia and Stalin's scorched earth

Battle of Leningrad, Moscow and Stalingrad

The third section, paragraph 19-20, is the result of Russian counterattack and war.

The following links are the answers to the exercises after class in Lesson 4 of the Comprehensive College English Course (in word form) (Note: the following links need to be copied and pasted in the address bar, because there is something wrong with the links, you should choose red and non-red ones when copying):

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