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【单选题】
大体积混凝土,宜优先采用以( )的粗骨料配制。
A.
间断级配
B.
单级配
C.
自然连续级配
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【判断题】客户位置离配送距离远近、配送据点到达客户收货地点的运输路径选择直接影响到运输成本。一般情况下,客户之间的距离越近,而且他们距离配送中心越远,配送成本往往较低。
A.
正确
B.
错误
【单选题】俄国植物学家茨维特用石油醚为淋洗液,分离植物叶子的色素的方法属于
A.
吸附色谱
B.
分配色谱
C.
离子交换色谱
D.
凝胶渗透色谱
【单选题】______ today, he would get there by Saturday.
A.
Would he leave
B.
Was he leaving
C.
Were he to leave
D.
if he leaves
【单选题】______today, he would get there by Friday.
A.
Would he leave
B.
If he leaves
C.
Was he leaving
D.
Were he to leave
【单选题】______ today, he would get there by Friday.
A.
Was he leaving
B.
Would he leave
C.
Were he to leave
D.
If he leaves
【单选题】____ today, he would get there by Sunday.
A.
Would he leave
B.
Was he leaving
C.
Were he to leave
D.
If he leave
【单选题】_____ today, he would get there by Friday.
A.
Would he leave
B.
Was he leaving
C.
Were he to leave
D.
If he leave
【判断题】客户位置离配送据点的距离远近、配送据点到达客户收货地点的运输路径选择直接影响到输送成本。一般情况下,客户之间的距离越近,而且他们距离配送中心越远,配送成本往往较高。
A.
正确
B.
错误
【判断题】客户位置离配送据点的距离远近、配送据点到达客户收货地点的运输路径选择直接影响到 输送成本。一般情况下,客户之间的距离越近,而且他们距离配送中心越远,配送成本往往较低。
A.
正确
B.
错误
【判断题】目 : 客户位置离配送据点的距离远近、配送据点到达客户收货地点的运输路径选择直接影响到输送成本。一般情况下,客户之间的距离越近,而且他们距离配送中心越远,配送成本往往较低。
A.
正确
B.
错误
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