48. When did President Trump start a formal investigation into attacks on the US intellectual property? (A) November 2014. (B) September 2018. (C) January 2018. (D) August 2017.

50. Which of the following was mentioned in the passage? (A) President Trump imposes tariffs on China, partly based on Section 301 of the Trade Act. (B) Trade wars may bring into terrible military conflicts between China and the U.S. (C) Trade wars are helpful to President Trump’s next presidential election. (D) Another bigger revenge against the U.S. seems to be inevitable.

48. When did President Trump start a formal investigation into attacks on the US intellectual property?
(A) November 2014.
(B) September 2018.
(C) January 2018.
(D) August 2017.

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