承包人的设计范围国际上一般分为()三个阶段。
A.概要设计
B.设计扩展
C.施工文件
D.施工图设计
E.技术设计
参考答案:A, B, C
在相同温度下,饱和溶液比不饱和溶液含的溶质多.______.(判断对错)
—Do you still remember__________he was taken to the hospital?
—Yes,he was sent to the hospital in Mr Smith’s car.
A.why
B.how
C.when
D.that