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【简答题】
该建筑物的首层室内主要地面的标高是 m和室外标高是 m?室内外高差是 mm?
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【简答题】关于有关浮力的探究: ⑴如图所示是“探究同一物体所受的浮力大小与哪些因素有关”的实验过程图. 实验中保持物体处于静止状态,图甲和图乙中物体露出液面的体积相等,弹簧测力计测得的拉力大小的关系是: F 1 $amp; F 2 , F 2 > F 3 = F 4 .则: ①由图甲和图乙的探究可以得出的结论是:________________; ②由图乙和图丙的探究可以得出的结论是:___________...
【单选题】This Certificate is a Supplement( )the Certificate N0.***.
A.
with
B.
in
C.
of
D.
/
【单选题】The medical record shows that it was the drug, not the disease, _____ killed him two years ago.
A.
the effects of which
B.
the effects of it
C.
finally
D.
that
【单选题】*certificate n.
A.
确定
B.
证书
C.
勺子
【简答题】图是探究“浮力的大小与哪些因素有关”实验的若干操作,根据此图回答下列问题: (1)若选用的操作是③④,可探究浮力的大小与 的关系。 (2)若探究浮力大小与物体排开液体体积的关系,应选用的操作是 (填序号)。 (3)由操作可知,物体浸没在水中时所受的浮力大小为 N。
【单选题】certificate n.
A.
学位
B.
典礼
C.
仪式
D.
证书
【单选题】Certificate n.
A.
证书
B.
计算
C.
交流
【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...
【单选题】— It was the drug,not the disease,that killed the young man. — He would be still alive today if he ________ that drug. [     ]
A.
not take
B.
shouldn't have taken
C.
didn't take
D.
hadn't taken
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