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2101．The reason ____he was late was ____he had taken a wrong bus.（ ?。?/h2>
發(fā)布：2024/5/23 20:38:36組卷：7引用：7難度：0.92102．Her attention was attracted by the d
of the new dress in the shop windows.發(fā)布：2024/5/23 20:38:36組卷：0引用：2難度：0.72103．Her problem was just too big for her to
（解決）on her own.發(fā)布：2024/5/23 20:38:36組卷：1引用：2難度：0.92104．Rick appeared，
（bend）his head a little to clear the top of the door.發(fā)布：2024/5/23 20:38:36組卷：2引用：2難度：0.82105．The sports meet to be held tomorrow is cancelled
（由于）the bad weather.發(fā)布：2024/5/23 20:38:36組卷：0引用：1難度：0.72106．After___________ out，the machine is now being manufactured on a large scale in the factory.（ ?。?/h2>
發(fā)布：2024/5/23 20:38:36組卷：11引用：4難度：0.52107．I found the homework was not so heavy as ______ I ______ to get in my old school.（ ?。?/h2>
發(fā)布：2024/5/23 20:38:36組卷：5引用：4難度：0.52108．Every day，people come into contact with thousands of chemicals.These chemicals are said to be（1）
to human health.In fact，the chemicals are considered so safe that we wash with（2）.We put them on our bodies and（3）our faces.Other chemical products are used（4）our homes.By the time you walk out of your front door，you have already been exposed to thousands of chemicals.
On its own，each chemical seems harmless.But in combination with other chemicals，they may become（5）.That is the finding of a two-year study by a high-profile（備受矚目的） task force of scientists.The task force was told to investigate the cancer-causing possibility of chemical（6）.
Linda Gulliver was one of the 174 scientists on the task force.Their job was to study the（7）potential of 85 chemicals.All 85 are said to be common in the environment.Ms Gulliver explains that chemicals have the（8）or ability to form dangerous mixtures.Even simple minerals can become dangerous when（9）chemicals found in plastics or beauty products.
Working in groups，the scientists explored how different chemical mixtures could（10）cancer.Ms Gulliver's team looked at the ability of different（11）to support the increase of malignant（惡性的） human cells.She says the current way to identify（12）chemicals cause cancer is to test them one at a time.This method leads，she adds，to a long list of supposedly "safe"chemicals.She and her team say that approach needs to（13）.
"We definitely need certain research to find out what mixtures of chemicals would be more harmful than others；what groups of chemicals，when together，would produce more harmful（14）.And at the moment，that is not known."
An estimated one in five cancers has been linked to chemical（15）.It may turn out that the cancer-causing villain（壞蛋，惡棍）is not a single chemical at all.（1） A．harmful B．harmless C．nutritional D．essential （2） A．these B．those C．them D．it （3） A．slightly B．ultimately C．even D．still （4） A．outside B．during C．through D．throughout （5） A．deadly B．intense C．safe D．healthy （6） A．mixtures B．contacts C．consumption D．digest （7） A．death-causing B．cancer-causing C．harm-causing D．disease-causing （8） A．problem B．question C．potential D．a(chǎn)lternative （9） A．connected to B．comprised of C．linked to D．mixed with （10） A．react to B．yield to C．set to D．lead to （11） A．a(chǎn)ddition B．production C．combinations D．a(chǎn)ssumption （12） A．when B．whether C．how D．where （13） A．change B．expand C．overcome D．tackle （14） A．effects B．components C．a(chǎn)spects D．characteristics （15） A．production B．mixture C．combination D．exposure 發(fā)布：2024/5/23 20:38:36組卷：22引用：1難度：0.52109．我們絕不能停止執(zhí)行這個計劃。
發(fā)布：2024/5/23 20:38:36組卷：0引用：2難度：0.92110．We have to wait until the discussion between them comes to
end.發(fā)布：2024/5/23 20:38:36組卷：3引用：1難度：0.9
