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【单选题】
如图，水中静止的甲、乙、丙三个小球，甲漂浮，乙悬浮，丙沉底．若它们的重力相同，则（ ）
A.
F甲=F乙=F丙，V甲=V乙=V丙
B.
F甲＞F乙＞F丙，V甲＞V乙＞V丙
C.
F甲＜F乙＜F丙，V甲＜V乙＜V丙
D.
F甲=F乙＞F丙，V甲＞V乙＞V丙
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】单选 在静止油液中( )
A.
油液的内部压力不能传递动力
B.
油液的压力方向不一定垂直指向承压表面
C.
当一处受到压力作用时，将通过油液将此压力传递到各点，且其值不变
D.
任意一点所受到的各个方向的压力不相等
【单选题】Passage Two Questions 66 to 70 are based on the following passage: If an agreement signed in Germany works out, travelers of this Asian city may one day be able to move from the downtown area to its n...
A.
It is difficult to see fingerprints with human eyes.
B.
There are special ways to recover a suspect’s fingerprints.
C.
Even a small part of a fingerprint is useful for identification
D.
Suspects usually try to avoid leaving their fingerprints at the scene.