Số phức nào dưới đây có điểm biểu diễn trên mặt phẳng tọa độ là điểm M như hình bên?

A.  z 1 = 1 - 2i

B. z 1  = 1 + 2i

C. z 1  = -2 + i

D. z 1  = 2 + i

Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A. imports

B. groups

C. techniques

D. computers

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pairs of sentences in the following questions.

One student failed because he completely ignored the instruction on the paper. The instructions appeared on the top of every page.

A. One student failed because he completely ignored the instructions appearing on the top of every page on the paper.

B. Even though one student ignored the instructions printed on the top of every paper, he failed.

C. One student failed to ignore the instructions printed on the top of every page of paper.

D. No matter how completely one student ignored the instructions printed on the top of every page of the paper, he failed.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
There won’t be peace in the conflict if both sides do not really desire it.

A. It is only if both sides actually want the conflict to end peacefully that it will happen.

B. As both sides in the conflict apparently desire peace, it is likely that there will be peace soon.

C. The main problem in the conflict seems to be that neither side really desires peace.

D. There has been a lot of fighting in the conflict because both sides seem to want it that way.