Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

He found the course difficult so he had to spend most of his time on study.

A. memorable

B. easy

C. interesting

D. hard

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.

The movie bears little resemblance to the original novel.

A. The movie and the original novel resemble in many ways

B. The movie is very similar to the original novel

C. The movie and the original novel differ in some ways

D. The movie is completely different from the original novel

Gọi 4 stn liên tiếp là:a;a+1;a+2;a+3

Ta có: a+a+1+a+2+a+3=4a.(1+2+3)=4a.6

Mà 4a chia hết cho 4 ;   6 không chia hết cho 4

Nên 4a.6 không chia hết cho 4

Vậy tổng 4 stn liên tiếp ko chia hết cho 4