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¡¡¡¡37.As a magnetic material becomes more and more magnetized£¬more and more of its magnetic domains line up£¬with their north poles a11 pointing inone direction and their south poles in the opposite direction.

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¡¡¡¡38.Since the earth is slightly flattened at its poles£¬the distance of its surface at the north pole or south pole from its center is less than that at the equator.

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¡¡¡¡39.Solar energy seems to offer more hope than any other source of energy£¬particularly since those areas most in need of water lie rather close to the equator and have a relatively clear atmosphere.

¡¡¡¡Ì«ÑôÄÜËƺõ±ÈÈκÎÆäËûÄÜÔ´¸üÓÐÏ£Íû£¬ÓÈÆäÊÇÒòΪÕâЩÆÈÇÐÐèҪˮµÄµØÇøÀë³àµÀºÜ½ü£¬ÄÇÀïÓнÏÇå½àµÄ´óÆø¡££¨lieºÍhaveÊÇÁ½¸öνÓÖ÷ÓïÊÇthose areas.most in need of waterΪ½é´Ê¶ÌÓï×÷¶¨ÓïÐÞÊÎareas.£©

¡¡¡¡40.For a very long time man has been seeking the possibility of combining various metals into alloys with a view to obtaining better materials for given purposes.

¡¡¡¡³¤ÆÚÒÔÀ´£¬ÈËÃÇÒ»Ö±ÔÚÑ°ÕҰѸ÷ÖÖ½ðÊôÈ۳ɺϽðµÄ¿ÉÄÜÐÔ£¬ÆäÄ¿µÄÔÚÓÚΪijЩÓÃ;»ñµÃ¸üºÃµÄ²ÄÁÏ¡££¨with.viewto.¡££¬¡°ÒÔ¡­¡­ÎªÄ¿µÄ¡±£¬¡°Îª¡­¡­Æð¼û¡±£¬ÊǶÌÓï½é´Ê£¬Òý³öµÄ½é´Ê¶ÌÓïÆðÄ¿µÄ×´Óï×÷Óᣣ©

¡¡¡¡41.It means reorganising them on democratic lines£¬with governing boards made up of workers and technicians from the trade unions concerned£¬loyal to the concept of nationalisation as a force for social changes and operating their industry according to anational plan arrived at democratically by the community as a whole.

¡¡¡¡ÕâÒâζ×Å£ºÒªÒÔÃñÖ÷µÄ·½Ê½£¬ÓÉÓйع¤»áµÄ¹¤È˺ͼ¼ÊõÔ±Ëù×é³ÉµÄ¹ÜÀí¶­Ê»áÀ´¸Ä×é¸÷Ïҵ¡£ÕâЩ¹¤È˺ͼ¼ÊõÔ±×÷ΪÉç»á¸Ä¸ïµÄÒ»Ö§Á¦Á¿ÒªÖÒʵÓÚ¹úÓл¯ÕâÒ»¹ÛÄͬʱËûÃDZØÐë°´ÕÕÓÉ×÷ΪÕûÌåµÄÉç»áÓÃÃñÖ÷·½·¨Öƶ¨µÄÈ«¹úÐԼƻ®À´¹ÜÀí¸÷¹¤Òµ¡££¨on.¡­¡­1ines£¬¡°°´ÕÕ¡­¡­·½Õ룬°ì·¨¡±£¬×÷×´Óï¡£ with.¡­¡­concerned½é´Ê¶ÌÓï×÷×´ÓÓÃÀ´ÐÞÊζ¯Ãû´Êreorganising.Made up of.¡­¡­¹ýÈ¥·Ö´Ê¶ÌÓï×÷¶¨ÓïÐÞÊÎboards.loyal.¡­¡­changesΪÐÎÈݴʶÌÓïÐÞÊÎworkers and technicians.as force for social changesÊÇ¡°¹¤È˺ͼ¼ÊõÔ±¡±µÄͬλÓoperating.¡­¡­as a wholeΪÏÖ

¡¡¡¡ÔڷִʶÌÓï×÷¶¨ÓҲÊÇÓÃÀ´ÐÞÊÎworkers and technidans.ËüÊÇÓëÐÎÈݴʶÌÓïloyal¡­¡­¡£ÊDz¢ÁйØϵ¡£arrive at×÷³ö£¨¾ö¶¨£©£¬µÃ³ö£¨½áÂÛ£©µÈ¡£¾äÖÐarrived at.¡­¡­wholeÊǹýÈ¥·Ö´Ê¶ÌÓï×÷¶¨ÓïÐÞÊÎplan.£©

¡¡¡¡42.Thirty-five seconds into the flight£¬with the solid rockets pumping out maximum power£¬Challenger¡ªlike all its predecessors¡ªwas undergoing severe aerodynamic stress.

¡¡¡¡¡°ÌôÕ½Õß¡±ºÅÔÚÆä¹ÌÌåȼÁÏÖúÍÆ»ð¼ý·¢³ö×î´óÍÆÁ¦µÄÍƶ¯Ï£¬·ÉÐÐÁË35Ãëºó£¬Í¬ÒÔÇ°µÄº½Ìì·É»úÒ»Ñù£¬ÕýÔÚ³ÐÊÜמ޴óµÄ¿ÕÆø¶¯Á¦µÄѹÁ¦¡££¨with the solid.¡­¡­¸´ºÏ½á¹¹ÓÃ×÷×´ÓÓÐÌõ¼þÒâζ¡££©

¡¡¡¡43.A gas£¬such as steam £¨water vapor£© in the cylinder of asteam engine£¬has neither deftnite shape nor definite volume-it changes its sshape and also its svolume with change in the shape and¡¡volume of the container.

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