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【单选题】
既可治咽喉肿痛,又能用于痰盛咳喘的药物是A.
山豆根
B.
射干
C.
D.
薄荷
E.
蝉蜕
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举一反三
【单选题】How do flying foxes care for the young ones? ( )
A.
They only care for their own babies.
B.
They share the feeding of their young.
C.
They help when a baby bat is in danger.
D.
They often leave home and forget their young.
【简答题】电子线路安装时,要求所有插入焊盘孔的元器件引线及导线均采用直脚焊形式,剪脚留头在焊面以上 。
【单选题】How does the woman describe 15th Street?
A.
As having many fine stores
B.
As an important commercial route
C.
As having historical architecture
D.
As providing access to many neighborhoods
【单选题】-----How many elephants have you seen? ---- .
A.
No one
B.
None
C.
Not many ones
D.
Not many.
【单选题】设【图片】在【图片】二阶可微,【图片】 且【图片】 则下列结论错误的个数为( )(1)方程【图片】在【图片】内至少有一个实根;(2)方程【图片】在【图片】内至少有两个实根;(3)方程【图片】在【图片】内至少有一个实根.
A.
个
B.
个
C.
个
D.
个
【单选题】How many abdominal injuries in children were caused by bicycle accidents?
A.
Thirty.
B.
Ninety.
C.
50 percent.
D.
More than athird.
【简答题】如何立足本职,爱岗奉献?
【单选题】设【图片】为方程【图片】的两根，【图片】在【图片】上连续，在【图片】内可导，则【图片】在【图片】内 （ ）
A.
只有一个实根
B.
至少有一个根
C.
没有实根
D.
至少有两个实根
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