题目:
如果祖母绿含铁,则不具红色荧光,并在滤色镜下呈绿色。
答案:
参考答案:对
如果祖母绿含铁,则不具红色荧光,并在滤色镜下呈绿色。
参考答案:对
There was a time when I thought my dad didn’t know a thing about being a good father. I couldn’t 31 him ever saying the words “I love you.” It seems to me his only purpose in life was to say “__32_ ” to anywhere I wanted to go and anything I wanted to do, including getting a 33 . Some parents bought their kids cars when they got their driver’s licenses. Not my dad ---- he said that I’d have to get a job and buy my own. So that is what I did. I got a job at a very nice restaurant and 34 every penny I could and 35 I had enough to buy my car, I did! The day I brought that car home, my dad was the first one I wanted to 36 to. “Look, dad, a car of my own. If you ever want a ride, I’ll only 37 you five dollars.” I offered with a smile. “I see,” was all he said. One day, there was something wrong with my father’s truck. So he needed a 38 to work. . The sun wasn’t even up when we left the house, 39 it was already getting warm out. It was going to be a(n) 40 day. As I dropped my dad off, I 41 him, dressed in his work clothes, getting his 42 from the trunk of my car. Watching his sun-weathered face, and even from a distance I could tell there were 43 lines than I ever remembered being there before. I realized how hard my dad works for the family. My father is a cement finisher. In that instant, it 44 to me that he actually got down on his hands and knees to sweat over hot concrete to make a living for his family. And he did this day in and day out, 45 hot it got. Never, not once, had I heard him 46 about it. To him we were “worth” it. And never once did he “charge” us for it. When he closed the trunk, his tools set off to the side, he walked over to my window to 47 me five dollars. I rolled down the window and said “Good-bye, dad. Keep your five dollars. It’s my 48. Don’t work too hard. I love you.” His 49 met mine, then glanced away in the direction of his waiting tools, he 50 his throat and said, “Oh, and… me, too.”
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教师帮助学生总结文学史上有名的作家,学生做了下列课堂笔记,其中无误的是()。
A.三曹:曹操、曹植、曹冲
B.初唐四杰:王勃、骆宾王、杨炯、杜甫
C.唐宋八大家:韩愈、柳宗元、欧阳询、苏洵、苏轼苏辙曾巩王安石
D.元曲四大家:关汉卿、郑光祖、白朴、马致远
男,41岁,农民,不规则发热持续2周伴腹胀,近1周来体温持续39~40℃,高热时脉率80次/分,肝肋下2cm,脾(-),血白细胞2.5×10/L,中性0.7,淋巴0.3,入院后第2天排便突然头昏、心慌、出冷汗,大便中有鲜血,扶入病房,血压9.3/6.7kPa(70/50mmHg),原有青霉素过敏史。最可能的诊断是()
A.中毒性休克
B.伤寒肠出血
C.胃十二指肠溃疡出血
D.出血性肠炎
E.痔疮出血
下述有关SQL数据库的体系结构的叙述正确的是______。 Ⅰ.SQL数据库包含多个表 Ⅱ.SQL数据库中的基本表对应传统数据库中的模式 Ⅲ.一个表可以带多个索引 Ⅳ.表包括基本表和视图 Ⅴ.视图是由基本表导出的表
A.都是
B.Ⅰ、Ⅱ和Ⅲ
C.Ⅰ、Ⅱ、Ⅲ和Ⅳ
D.Ⅱ和Ⅲ
气化炉炉膛温度越高,其拱顶和炉壁温度()。
A.越高
B.越低
C.无变化
D.无法判断