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听力原文:M: Here we are. This is the National Palace Museum. What are you especially interested in seeing? W: It's hard to say. In fact, I know very little about Chinese art and history. But can you give me some details about this building? M: It's built in the classical Chinese style, with a curved roof. W: What are those little statues on the roof? M: In the old days they were used to cover the nails that held the roof together, because the roofs were made of wood. Nowadays, the statues are just for decoration. W: That's the same style. roof as the concert hall we visited yesterday, right? It seems like I've seen it before. M: Right. The styles are the same, but as you can see, the colors are different. The Museum is yellow, which stands for the emperor. W: Hmm. How did the Museum get such a large collection? M: This art collection was the emperors'. But it was taken over by the Nationalists in 1924. W: How old is the collection? M: Some of the bronze pieces go hack to the 17th century B. C., but the collection itself was set up by the first emperor of the Song Dynasty over a thousand years ago. W: Over a thousand years? Incredible! Let's go inside. I can't wait to check it put! M: OK. You know, most of the collection here was put together during the Qing Dynasty. So, what did you think? W: I was impressed with the landscape paintings, and all the jade carvings. That jade cabbage just can' t be beat ! M: Yeah, the colors were so realistic, and it was so carefully carved. What else did you like? W: I really liked the calligraphy. I wish I could understand what it said. The writing was beautiful. M: I'm glad you enjoyed it. (23)
A.
In a concert hall.
B.
In the National Palace Museum.
C.
At an exhibition.
D.
On the plane.
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【单选题】发现有人触电时正确的抢救方法是
A.
立即用手将触电者拉开
B.
立刻拉闸断电或用绝缘体将电线挑开
C.
立即用小刀将电线切断
【单选题】梳理化学知识有利于理解和记忆,使你的学习更轻松.以下内容完全正确的一组是(  ) A 物质的性质与用途 B 安全常识 乙醇具有可燃性--可作燃料 N 2 性质稳定--可作灯泡填充气 NaHCO 3 能与酸反应--可治疗胃酸过多症 室内装修污染--由甲醛引起 煤气中毒--主要由CO 2 引起 工业用盐中毒--由NaNO 2 引起 C 区分常见物质 D 日常生活经验 O 2 和CO 2 --用带火星的...
A.
A
B.
B
C.
C
D.
D
【单选题】发现有人触电时正确的抢救方法是
A.
立即用手将触电者拉开
B.
立即拉闸切断电源或用绝缘体将电线挑开
C.
立即用小刀将电线切断
D.
立即跑出去找人
【单选题】输出电阻是衡量( )的指标
A.
放大电路对信号源影响的程度
B.
放大电路带负载能力
C.
放大电路放大信号的能力
D.
其余选项都不对
【单选题】化学结构如下的药物的名称为
A.
喜树碱
B.
甲氨喋呤
C.
米托蒽醌
D.
长春瑞滨
E.
阿糖胞苷
【单选题】发现有人触电时正确的抢救方法( )
A.
立即用手将触电者拉开
B.
立即切断电源或用绝缘棒将电线挑开
C.
立即用小刀将电线切断
【单选题】梳理化学知识有利于理解和记忆,使你的学习更轻松。以下内容完全正确的一组是 [     ]
A.
物质的性质与用途 N 2 性质稳定--可作灯泡填充气 NaHCO 3 能与酸反应--可治疗胃酸过多症
B.
安全常识 煤气中毒--主要由CO 2 引起 工业用盐中毒--由NaNO 2 引起
C.
元素与人体健康 缺锌--影响人体发育 缺铁--易发生骨质疏松或患佝偻病
D.
日常生活经验 食品干燥剂--常用CaO 将硬水软化--可用过滤法
【单选题】输出电阻是衡量放大电路的( )指标。
A.
放大电压能力
B.
放大电流能力
C.
对信号源影响能力
D.
带负载能力
【单选题】梳理化学知识有利于理解和记忆,使你的学习更轻松。以下内容完全正确的一组是
A.
物质的性质与用途
B.
安全常识 乙醇具有可燃性——可作燃料 N 2 性质稳定——可作灯泡填充气 NaHCO 3 能与酸反应——可治疗胃酸过多症 室内装修污染——由甲醛引起 煤气中毒——主要由CO 2 引起 工业用盐中毒——由NaNO 2 引起
C.
区分常见物质
D.
日常生活经验 O 2 和CO 2 ——用带火星的木条 KMnO 4 和CaCO 3 ——观察颜色 Ca(OH) 2 溶液和NaOH溶液——用稀盐酸 食品干燥剂——常用CaO 将硬水软化——可用过滤法 清洗油污——用合成洗涤剂乳化
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