Scientists has just come up __________ a solution to hearing loss
Scientists has just come up __________ a solution to hearing loss A. to B. on C. with D. down Xem đáp án Đáp án: C …
Công thức nguyên hàm và tích phân
Scientists has just come up __________ a solution to hearing loss A. to B. on C. with D. down Xem đáp án Đáp án: C …
Could you list some non-point source __________? A. pollution B. pollutants C. polluting D. polluted Xem đáp án Đáp án: A Giải thích: non-point pollution: …
His grandfather made him __________ hard when he was small A. study B. to study C. studying D. studied Xem đáp án Đáp án: A …
This picture __________ the contamination of ground water. A. illustrate B. illustrating C. illustrates D. illustrated Xem đáp án Đáp án: C Giải thích: chủ …
I can’t hear your voice __________ I’m wearing an earplug A. although B. due C. however D. because Xem đáp án Đáp án: D Giải …
__________ pollution is harmful or annoying level of noise, as from vehicles, industry activities, etc. A. light B. visual C. soil D. noise Xem đáp …
Parents should teach children not to __________ wastes on the road A. litter B. poison C. cause D. measure Xem đáp án Đáp án: A …
Do you know what is the cause __________ pollution? A. of B. in C. on D. for Xem đáp án Đáp án: A Giải thích: …
My mother has to measure blood __________ every month A. billboard B. pressure C. groundwater D. earplug Xem đáp án Đáp án:B Giải thích: cụm …
People use a lot of vehicles. The air is polluted. A. If people don’t use too many vehicles, the air won’t be polluted. B. If …