学校健康教育的根本目标是（）。 A.使学生获得必要的卫生知识 B.树立健康价值观 C

西方首次系统采用正交街道系统（GridironSystem）是什么城市的规划？它有何意义？

不锈钢管一般都采用热弯法弯管。（）

编辑文档时，在页面视图和打印预览中，可以通过在水平尺和垂直标尺上拖动页边距线来快速设置新的页边距。

M: The taxi driver must have been speeding.
W: Well, not really. He crashed into the tree because he was trying not to hit a box that had fallen off the truck ahead of him.
Question: What do we learn about the taxi driver

A. He turned suddenly and ran into a tree.
B. He was hit by a fallen box from a truck.
C. He drove too fast and crashed into a truck.
D. He was trying to overtake the truck ahead of him.

改革开放以来，我国经济体制改革逐步深入。下列各项按先后顺序排列正确的是（）。①推行国营企业承包经营责任制②建立社会主义市场经济体制③实现公有制经济形式的多样化④以增强企业活力作为改革的中心环节

A.①②③④

B.①②④③

C.④①②③

D.④②①③