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[单选题]

在41、69、62、89、23、17、87、91中,质数有()

A.2个

B.3个

C.4个

D.5个

答案
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C、4个

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更多“在41、69、62、89、23、17、87、91中,质数有(…”相关的问题
第1题
与算式89−23−17计算结果相同的是()

A.89−(23−17)

B.89−(23+17)

C.89−23+17

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第2题
某医院白班8:00起17:00止,某科室某日白班8:00在院患者20人,上午新入院3人,出院2人。求这日此科室白班护理患者数?()

A.23

B.21

C.25.88

D.23.63

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第3题
A new came as a surprise that an elderly woman died yesterday after【21】knocked down by a m
otorist who had made no【22】to brake (刹车) . A police officer asked the driver, a man of 69, to read the number-plate of a car parked【23】the opposite side of the road. The man said this was【24】, because it was foggy. In fact, it was a sunny day. After several attempts, even from a distance of two meters, the man【25】failed to read the number-plate【26】He said he had never needed【27】, though he had been【28】in a similar accident【29】.

The question of fitness to【30】comes【31】every time some medical condition relates to an accident like this. Last week two motorists died【32】blackouts (瞬间昏厥) at the wheel, With these【33】in mind, it is not surprising that accident prevention organizations are trying to【34】the government to introduce stricter controls over【35】so that both drivers and people on the road will enjoy safety.

(41)

A.being

B.be

C.had

D.has

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第4题
Bolivia has a population of【56】. About one - tenth of the total population is white; one -
fourth are【57】Indians and white; and more than half are【58】Indians. The government and【59】are【60】the control of white people.

The Indians today live in【61】【62】their ancestors (祖先), most of whom were famers.【63】 work in the mines, for mining is the most important industry in Bolivia.【64】all the mining products,【65】is the most important, which【66】three fourths of all Bolivia's exports (出口). The eastern slopes (斜坡) of the Andes, since there are very few roads there, are fertile (富饶的)【67】not highly developed. The two primary【68】of transportation are river boats and porters. East of the hill region【69】the great plains【70】tropical (热带的) plants【71】. A【72】problem for Bolivia is the transport of food from the warm regions, where it is grown, to the mountainous regions, where most of the people live.

Bolivia 【73】 its independence from Spain about a hundred years ago. It has been slow in developing,【74】its rich resources【75】a better future in it.

(41)

A.three and a half millions

B.a half three millions

C.three and a half million

D.a half three million

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第5题
店铺客服回复率的考核时间是多久的()

A.全天24小时

B.8:00——23:00

C.6:00——23:00

D.9:00——17:00

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第6题
用电峰平谷,高峰时间为()

A.8:00-12:00 17:00-21:00

B.23:00-7:00

C.21:00-24:00

D.00:00-7:00

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第7题
比较大小:69()62

A.>

B.<

C.=

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第8题
某工序投入200片产品,良品158片,请问良品率时多少()

A.69%

B.79%

C.89%

D.84%

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第9题
上引法铸造的无氧铜杆由于含氧量极低,以至加工性能好,拉伸时线材总的减缩率可达()。

A.99%

B.89%

C.79%

D.69%

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第10题
某保险公司将分红保险业务当年可分配盈余的一定比例分配给保单持有人。下列比例中,符合中国保监会规定的包括()。

A.69%

B.79%

C.89%

D.99%

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第11题
对加油山西APP会员,每使用一张“满69减20”油非互促商品抵扣劵,赠送一张()

A.满169减69指定粮油商品抵扣劵

B.满189减69指定粮油商品抵扣劵

C.满169减89指定粮油商品抵扣劵

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