内容正文:
2021英语二考冲刺—选词填空专题名校汇编
学习目标:专题训练各名校选词填空,掌握选词填空常考点和难点以及解题技巧。
课堂测试:
1. 【2020-2021学年七宝中学高三上学期9月第一次月考卷】 难度值:(★★★★)
(A)
A. bay B. target C. exhibit D. impressive AB. account AC. fertile
AD. unsuspecting BC. pinpoint BD. scratch CD. mean ABC. concentrations
You're trying your best to enjoy an evening cookout, but a constant swarm of mosquitoes follows you from grill to poolside. The threat? A pierce to your skin, leaving behind an itchy red welt and possibly even a serious illness. As you swat madly at the pests, you notice that others seem completely unbothered. Could it be that mosquitoes prefer to bite some people over others?
The short answer is yes. Mosquitoes do (31)______ blood-sucking preferences, say the experts. "One in 10 people are highly attractive to mosquitoes," reports Jerry Butler, PhD, professor emeritus at the University of Florida. But it's not dinner they're sucking out of you. Female mosquitoes -- males do not bite people -- need human blood to develop (32)______ eggs. And apparently, not just anyone's will do.
Who Mosquitoes Like Best? Although researchers have yet to (33)______ what mosquitoes consider an ideal hunk (大块) of human flesh, the hunt is on. "There's a tremendous amount of research being conducted on what compounds and odors people exude that might be attractive to mosquitoes," says Joe Conlon, PhD, technical advisor to the American Mosquito Control Association. With 400 different compounds to examine, it's an extremely laborious process. "Researchers are just beginning to (34)_______ the surface," he says.
Scientists do know that genetics (35)________ for an overwhelming 85% of our susceptibility to mosquito bites. They've also identified certain elements of our body chemistry that, when found in excess on the skin's surface, make mosquitoes swarm closer.
"People with high (36)_______ of steroids or cholesterol on their skin surface attract mosquitoes," Butler tells WebMD. That doesn't necessa