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【单选题】
《高速铁路有砟轨道线路维修规则》规定，相邻两曲线间夹直线和两缓和曲线间圆曲线最小长度困难条件下不应小于（）Vmax。A.
0.4
B.
0.6
C.
0.8
D.
1.0
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举一反三
【单选题】We can infer from the passage that .
A.
you can't go for dinner without bringing your American host a gift
B.
it is not necessary for you to bring expensive gifts to your American host
C.
you can bring roses to your American hostess
D.
you bring gifts mainly to show your thanks to your American host
【单选题】VI的队列按下列方式配置,且VI仅使用“元素如队列”函数讲元素放置到队列中。元素如队列时下列操作描述正确是的( )
A.
队列中将最多包含10个元素
B.
队列填满后将不再接收其他元素,除非删除队列中的一个元素
C.
新元素将不断重写队列中的一个元素
D.
队列将为每个出列返回10个元素
【单选题】Which of the following is inappropriate if you are invited to an American family dinner? __________
A.
Using the utensils from the outside in.
B.
Bringing a small gift.
C.
Arriving 20 minutes earlier than the set time for the dinner.
D.
Writing a "Thank-you" note after the dinner
【简答题】党员可以对党的工作提出________。
【简答题】Five months after my husband Steve died, I woke up one morning to the maddening sound of a leaking faucet（水龙头）. I knew it needed repairs badly, but it _______ me so much just to think of it. All our _...
【单选题】用非参数Bootstrap法求参数的近似置信区间的优点是（ ）。
A.
不需要对总体分布的类型作任何的假设
B.
可以适用于小样本
C.
能用于各种统计量(不限于样本均值)
D.
其余选项皆是
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