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【单选题】
下列生态系统中消费者食物专一性强的是()。
A.
热带雨林
B.
湖泊
C.
温带草原
D.
荒漠
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举一反三
【单选题】Listen to a news report
A.
Student veterans who experience frustration with other students.
B.
Student veterans in service at the time of 9/11 or later.
C.
Veterans returning home from wars.
D.
Student veterans with problems adjusting to university life.
【判断题】一般来说,打造爆款的销售周期包括导人期、爆发期、成熟期、 衰退期。( )
A.
正确
B.
错误
【单选题】Listen to a news report
A.
The benefits the Post-9/11 GI Bill offers.
B.
The difficulties student veterans meet in US universities.
C.
The increase of student veterans in US universities.
D.
The support US universities offer to student veterans.
【单选题】Listen to a news report
A.
The fear of public speaking and why.
B.
How people can overcome the fear of public speaking.
C.
How an audience reacts to people who have a fear of public speaking.
D.
The fear of public speaking ranks higher than the fear of death.
【单选题】Listen to a news report
A.
The cost of giving birth in the US.
B.
The cost of giving birth in the UK.
C.
A British baby who was born 12 weeks early in New York City.
D.
A British couple's medical expenses are covered by a New York hospital.
【多选题】固体分散物在载体中的分散状态可有( )。
A.
分子
B.
离子
C.
胶态
D.
微晶或无定形状态
【单选题】森系摆件需要准备的工有电钻,小锯,记号笔。还有我们最常用的热熔胶枪,以及我们今天新准备材料就是()
A.
超轻黏土
B.
陶泥
C.
水晶泥
D.
橡皮泥
【单选题】下列有关基础的埋置深度,何者是正确的?
A.
除岩石地基外,基础埋深不宜小于1m。
B.
当上层地基的承载力大于下层土时,宜利用上层土作持力层。
C.
在抗震设防区,除岩石地基外,天然地基上的箱形和筏形基础其埋置深度不宜小于建筑物高度的1/15。
D.
桩箱或桩筏基础的埋置深度不宜小于建筑物高度的1/15
【单选题】Listen to the news report
A.
Medical costs are quite high.
B.
Health care is provided by the government.
C.
Health care is covered by insurance.
D.
Not all citizens have access to the health care.
【单选题】采用商业承兑汇票结算方式时,需经( )承兑
A.
收款人
B.
付款人
C.
承兑申请人
D.
银行
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