【简答题】目前,我们国家的能源主要依赖于化石燃料,它们属于不可再生资源。因此,开发利用新能源就显得格外重要。 (1)常见的三种化石燃料包括石油、 和 。 (2)利用新能源发电的类型有潮汐能发电、地热能发电、 等(请举1例)。 (3)在新能源汽车未普及时,右图所示为一种“节能减排”的有效措施。以下对乙醇作汽车燃料的描述错误的是 : A.原料来源丰富 B.是可再生能源 C.乙醇汽油燃烧完全没有污染 ...
【单选题】某患者,男性,72周岁,因脑梗经保守治疗十天后,无明显肢体活动障碍,说话滔滔不绝,甚至很多错语而不自知,无法理解他人的的话语,请分析患者会有以下哪种表现( )
【单选题】Dear Mrs. Lawson, I am sorry that I can't come to school today. I have caught a bad cold and I feel terrible.Yesterday I had a football match with my classmates. Then I __1__ and went home with only a...
A.
1.terrible and got a fever; 2.asked me to take the pills and have a good rest; 3.was wet all over;
B.
1.was wet all over; 2.terrible and got a fever; 3.asked me to take the pills and have a good rest.
C.
1.was wet all over; 2.asked me to take the pills and have a good rest. 3.terrible and got a fever.
【简答题】压注成型又称 ,它是成型 制品的常用方法之一。
【简答题】Dear Mrs. Lawson, I am sorry that I can’t come to school today. I have caught a bad cold and I feel terrible. Yesterday _______________________with my classmates, and ____________________. Then I ____...