Swallows help keep cattle in barns healthier by ___________.
Đáp án B
Chịm én giúp giữ cho gia súc trong chuồng khỏe mạnh hơn bằng cách
A. ăn da bị nhiễm bệnh B. ăn côn trùng
C. hót D. làm cho những con quạ vui vẻ hơn
Dẫn chứng: As well, swallows feed on insects that can cause infections in cattle. Thus, a farmer who has many swallows in his barn may actually have healthier animals on his farm.
According to the passage, all of the following are factors that make people want to touch beads EXCEPT the ________.
According to the second paragraph, which of the following can affect IQ?
The word "old wives’ tales" in paragraph 4 is closest in meaning to ___________
The word "intrigued" in paragraph 2 is closest in meaning to____________.
All of the following are given as characteristics of collectible objects EXCEPT ___________ .
The word "mundane" in paragraph 3 is closest in meaning to ___________.