晶体有一定的熔化______,在熔化过程中,温度______.
晶体熔化时需要达到一定的温度才能熔化,并且在熔化过程中,继续吸收热量,温度保持不变.
故答案为:温度;保持不变.
阅读下面短文,根据上下文填入适当的词语,或使用括号中的词语的适当形式填空,并将答案填写在答题卡上标号为31-40的相应位置。
With the 小题1:_____________ (develop) of industry, air pollution is getting more 小题2:_________ more serious. In Beijing, many people suffer different kinds of illnesses because
小题3:________ air pollution.
Air pollution is caused by the following 小题4:________[ reason]: about half 小题5:________ the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off poisonous gases. 25% of air pollution is caused by factories. Another factor is the smokers.
小题6:_________[Smoke] not only does harm to their health but also to others. Besides these, about 10%of air pollution is caused by other reasons.
We should take some measures to fight 小题7:__________ pollution. New fuel[燃料] can
小题8:________[use] to replace[代替] gas. We can plant more trees. 小题9:________ everybody realizes the importance of environment and does something to stop pollution, 小题10:________ problem will be solved.
根据《专利法》的规定,下列情形不视为侵犯专利权的是( )。
A.张某批发了一批以专利方法直接获得的产品用于销售,但制造该产品的制造商没有经过专利权人的许可
B.赵某在某专利申请日前已经使用了相同的方法制造了该物品,在自家范围内使用,之后进行了小规模的生产,卖给街坊邻里使用
C.临时通过中国领空的英国飞机,为该飞机自身的需要使用了有关专利
D.专为科学实验而使用有关专利的