【单选题】This Certificate is a Supplement( )the Certificate N0.***.
【单选题】The medical record shows that it was the drug, not the disease, _____ killed him two years ago.
【简答题】英译汉英:certificate n.,汉:______。
【简答题】有两种类型的存储过程,分别为:( )、 ( ) 。
【单选题】It was the drug, not the disease, that killed him. He______alive today if he ______that drug.
A.
would still be, didn't take
B.
would still have been, had not taken
C.
would still be, had not taken
D.
will still be, doesn't take
【简答题】在探究“浮力的大小与什么因素有关”的实验中,同学们提出了如下猜想: A.可能与液体的密度ρ 1 有关; B.可能与物体的密度ρ 2 有关; C.可能与物体的体积V 1 有关; D.可能与物体浸在液体中的体积V 2 有关; E.可能与物体浸没在液体中的深度h有关. 小明所在的实验小组得到的实验器材有:柱形铁块一个、弹簧测力计一个、一杯水(足够多)、细线。 (1)只用这些器材,他们可以验证上述猜想中的...
【简答题】小明用弹簧测力计、圆柱体、两个相同的圆柱形容器,分别装有一定量的水和盐水,对浸在液体中的物体所受的浮力进行了探究,其装置和弹簧测力计示数如图所示。 分析图甲、乙、丙,说明浮力的大小与____有关。 为了探究浮力大小与物体浸没在液体中的深度有无关系,可选用____图的装置来进行操作。 圆柱体浸没在水中时受到的浮力是____N,圆柱体的体积是____ 取 用图示实验数据测出盐水的密度是____ 。