水压试验时,试验用水应清洁,试压环境温度不得低于( )℃;当环境温度低于该温度时,应采取必要的防冻措施。
A.5
B.5.5
C.6.5
D.4
参考答案:A
下列各句中,没有错别字的一项是()
A.我们在诵读诗歌时,要应声求气,涵泳诗韵,以求完美地再现情、景、理、声交融的美妙诗境。
B.当前,社会生活中存在着心浮气躁、急功进利的不良风气,在这种风气的裹挟下,有的人也就身不由己,随波逐流了。
C.儒雅内敛而不事张扬,孜孜以求而艰韧不拔,宠辱不惊而镇定自若,这种风范值得我们推崇。
D.在诸多科学家眼里,科学与艺术并非泾渭分明,而是孪生姊妹,犹如人类文明史上的两朵奇葩,在真善美的百花园中争奇斗艳。
根据句意和首字母或汉语提示完成单词。
1. He is the tallest in our class. He is taller than the r_______of the students.
2. The river is three meters d____________. It’s dangerous to swim in it.
3. The land is c_______ with white snow now.
4. If someone o me cigarettes, I’d tell him that smoking is bad for our health.
5. He was too poor to afford his education. I wanted to give him some, but he r .
6. What would you do if you injured your (膝盖)?
7. He was so careless that he ________(受伤)in the accident.
8. There are many book (架子) in the library.
9. I think a good (听者) won’t annoy others.
10. She is very (知识丰富的) about art.