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【判断题】
Freight cost should be classified as a direct offset to sale, not as an expense.A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】以下关于允许开裂的部分预应力混凝土受弯构件应力计算的正确说法是（ ）
A.
预应力钢筋的应变包括有效预应变、消压应变和消压后的应变增量
B.
受压区混凝土边缘压应力从拉应变逐渐增大到压应变
C.
普通钢筋的应变从零增大到相应的拉应变
D.
预应力钢筋和普通钢筋的应力均可以使用应变与弹性模量确定
【多选题】采用弹性分析法计算允许开裂的部分预应力混凝土受弯构件时（ ）
A.
构件处于开裂后的弹性阶段
B.
受压区混凝土的应力分布为三角形
C.
受拉钢筋没有屈服
D.
需要用迭代法求解
【简答题】定义复数类Complex,成员变量有实部real和虚部image,成员方法有: (1)无参构造方法,其中成员变量初始值为0; (2)带2个参数的构造方法,分别给实部虚部赋值; (3)取得/设置实部值; (4)取得/设置虚部值; (5)ToString方法,将复数转成字符串,格式形如:(3,-6i)。
【单选题】—What if we don't follow the traffic lights or the traffic police? —It _______ dangerous. [ ]
A.
has
B.
could be
C.
can have
D.
could have
【多选题】钢筋混凝土受弯构件的第二工作阶段又可称为开裂后弹性阶段，对于第二工作阶段的计算，一般有下面（ ）三项基本假定
A.
平截面假定
B.
弹性体假定
C.
受拉区混凝土完全不能承受拉应力
D.
以上都不对
【单选题】The driver ____at the crossroads as the traffic lights flashed red.
A.
pulled off
B.
pulled up
C.
pulled round
D.
pulled over
【单选题】What did the man tell the woman?
A.
The shop was closed.
B.
The traffic lights were red.
C.
The driver was drunk.
【简答题】IX. When you are in England , you must be very careful in the street because the traffic drives on the left. You must look at the right first and then the left, then you can cross the street. If the t...
【简答题】IX. When you are in England , you must be very careful in the street because the traffic drives on the left. You must look at the right first and then the left, then you can cross the street. If the t...
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