大气 压强测试题（Atmospheric pressure test）.docVIP

大气 压强测试题（Atmospheric pressure test） The air pressure test of.Txt49 rocks because of conviction, it aroused the beautiful waves; youth because of the pursuit of lofty, only exceptionally bright and colorful. 50 because the young, so confident; because the confidence, so young. Strengthen the training exercises in Shi Yong Zhen Class: school name A choice 1. (09 Yiwu) if enveloped the earths atmosphere compared to the vast ocean, we live in the air sea at the bottom, under atmospheric pressure in the US - atmospheric pressure. The following is wrong about the narrative [] A. Magdeburg hemispheres experiment proves that the numerical B. standard atmospheric pressure is 1.01 * 106 PA (760MM Hg) size and atmospheric C. atmospheric density, the higher the ground where the atmospheric pressure is greater D. the persons mood usually sunny and rainy days with high pressure 2. (09 Jiaxing) which of the following examples to illustrate the existence of atmospheric pressure [] B. C. holding milk popsicles melt rubber ring deformation D. water to flow with suction Straw A. 3. (09 in Lanzhou). As shown by Tori and measuring the atmospheric pressure and experimental device is strong, stable when the mercury glass tube, put a hole in the top of the glass tube, then the liquid level of the mercury tube will [] A. constant B. decreased gradually, and the final tube liquid level C. gradually increased, eventually the outflow from the hole D. slightly decreased number of 4. (09 Hunan, Loudi). The following example, the effect of atmospheric pressure is [in] A. Wang will be fresh air inhaled into the lungs of B. doctors use a syringe to push the patient muscle in medicine C. Li Pin up a map on the wall D. deep-sea divers must wear special compression diving suit 5. (09 Yantai) 5. Chinas high speed railway, and the passengers on the train platform between the air flow rate and pressure changes, in order to effectively prevent the occurrence of safety accidents, safety line station distan