【单选题】【消耗次数：1】
His CD player is beeping, for the battery is ( ）.
①
runnig low
②
failing to
③
lacking of
④
short of
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相关题目
【单选题】
The author was _______ in a small village, as is described in some of his short stories.
①
brought out
②
brought in
③
brought up
④
brought about
【单选题】
Without his timely help, we _____ all these in such a short period of time.
①
dont accomplish
②
have not accomplished
③
should not accomplish
④
would not have accomplished
【单选题】
Professor Smith, together with twenty of his students, [] coming to our school in May for a short visit.
①
is
②
are
【单选题】
—I want to have my CD player fixed, but I cant find a repair shop. —Oh, I know_____ . Come on, Ill take you there.
①
one
②
the one
③
ones
④
many
【单选题】
After failing the exams three times, Jack realized that he’d never ____in English.
①
see to it
②
attain it
③
catch it
④
make it
【单选题】
She seems to be too short for a____.
①
twenty-year old girl
②
girl twenty-year-old
③
twenty-years-old girl
④
girl of twenty
【单选题】
In Africa, educational costs are very low for those who are ____ enough to get into universities.
①
ambitious
②
fortunate
③
aggressive
④
substantial
随机题目
【单选题】
用填料吸收塔分离某气体混合物，以下说法正确的是（ ）。
①
填料因子相同，气液两相流动参数增大，液泛气速减小
②
气液两相流动参数相同，填料因子增大，液泛气速增大
③
气液两相流动参数相同，填料因子减小，液泛气速减小
④
填料因子相同，气液两相流动参数减小，液泛气速减小
【单选题】
在化工厂中，换热器的投资约占到了整个投资的40%，其中列管式换热器使用最为普遍。以下各项中不属于列管式换热器的是（ ）。
①
固定管板式换热器
②
翅片式换
③
U形管式换热器
④
填料函式换热器