Population growth rates vary among regions and even among countries within the same region
A. fluctuate
B. stay unchanged
C. remain unstable
D. restrain
Đáp án đúng: B
Giải thích: vary: đa dạng, thay đổi >< stay unchanged: không thay đổi, đơn điệu
Dịch: Tỷ lệ gia tăng dân số khác nhau giữa các vùng và thậm chí giữa các nước trong cùng khu vực
I thought I saw water in the distance but it must have been an optical ___.
Corn, domesticated by the American Indians, was brought to Europe by Columbus.
Regular exercise and good diet will bring ___ fitness and health.
She was so tired last night that she slept like ___ until 10 o'clock this morning.
"Why don't we wear sunglasses?" - our grandpa would say when we went out on bright sunny days.
He was so mean that he couldn't bear to ___ the smallest sum of money for the charity appeal.
I am sure he did not know that his brother graduated with flying colors.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
They asked me what did happen last night, but I was unable to tell them.
Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
- Michel: "I failed my driving test again!" - Nick: “___”