皮皮学,免费搜题
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【简答题】
阅读理解。 Good morning. The program today is about music. The word 'music' comes from the Greek word 'muse'. The Muses are the goddesses of the arts,  Music is only one of the arts. It is like the spoken language, but it uses sounds. Today's program brings together music from different corners of the world. Who invented music? Who sang the first song? No one knows exactly the answers to these questions. But we know that music plays an important part in almost everyone's life. Babies and young children love to hear people singing to them. When they are a little older, they like to sing the songs they have heard. When children go to school, their world of music grows. In the middle grades students take music lessons. When they reach high school, they become interested in listening to pop music. The records we have chosen for you today are from American country music, Indian music, pop music and so on. Music has meaning for everyone. It can make people happy or it can make them sad. In this program we shall study the language of music. We shall be trying to find out more about how music works. We shall try to find out how music says what people feel. Now, here comes the music today, I shall explain why they are all good music... 1. The first paragraph is mainly about the ________ A. styles of music B. history of music C. taste of music D. knowledge of music 2. The speaker is probably ________ . A. a host B. a singer C. a dancer D. a teacher 3. Which is TRUE according to the passage? A. The Muses invented music. B. Music can bring people some feeling? C. Music was from a Greek village. D. Everyone is interested in pop music. 4. The speaker believes that ________ . A. music is a spoken language B. music develops as we grow up C. music is above the other arts D. music plays an important part in our life 5. What is NOT the purpose of this music program? A. To study the language of music. B. To learn more about the music. C. To give a complete background to the music. D. To give people some music to listen to.
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举一反三
【单选题】刺激B细胞产生抗体需T细胞辅助的抗原称
A.
胸腺依赖性抗原
B.
胸腺非依赖性抗原
C.
囊依赖抗原
D.
骨髓依赖抗原
E.
MHC抗原
【单选题】可引起交叉反应的是 ( )
A.
抗原决定簇
B.
胸腺依赖性抗原
C.
胸腺非依赖性抗原
D.
完全抗原
E.
共同抗原
【简答题】种子从吸胀到萌发阶段,由于种皮尚未突破,此时以______呼吸为主,RQ值______1,而从萌发到胚部真叶长出,此时转为以______呼吸为主,RQ值降到1。
【单选题】某猪群,饲喂焖煮的菜叶后不久生病,临床表现为呼吸困难,心跳加快,全身发绀。剖检见血液呈黑褐色,凝固不良。治疗该病的特效药是(2012真题下77)
A.
亚硝酸钠
B.
硫代硫酸钠
C.
阿托品
D.
亚甲蓝
E.
硫酸镁
【单选题】某猪群,饲喂闷煮的菜叶后不久发病,临床表现为呼吸困难,心跳加快,全身发绀。剖检见血液呈黑褐色,凝固不良。治疗该病的特效药物是【2012年真题】
A.
亚硝酸钠
B.
.硫代硫酸钠
C.
阿托品
D.
亚甲蓝
E.
硫酸镁
【判断题】种子从吸胀到萌发阶段,由于种皮尚未突破,此时以无氧呼吸为主,RQ值>1,而从萌发到胚部真叶长出,此时转为以有氧呼吸为主,RQ值降到1。
A.
正确
B.
错误
【单选题】既有免疫原性,又有免疫反应性的:是 ( )
A.
抗原决定簇
B.
胸腺依赖性抗原
C.
胸腺非依赖性抗原
D.
完全抗原
E.
共同抗原
【单选题】决定抗原特异性
A.
抗原决定簇
B.
胸腺依赖性抗原
C.
胸腺非依赖性抗原
D.
完全抗原
E.
共同抗原
【单选题】某猪群,饲喂焖煮的菜叶后不久生病,临床表现为呼吸困难,心跳加快,全身发绀。剖检见血液呈黑褐色,凝固不良。治疗该病的特效药是
A.
亚硝酸钠
B.
硫代硫酸钠
C.
阿托品
D.
亚甲蓝
E.
硫酸镁
【单选题】某猪群,饲喂闷煮的菜叶后不久发病,临床表现为呼吸困难,心跳加快,全身发绀。剖检见血液呈黑褐色,凝固不良。治疗该病的特效药物是
A.
亚硝酸钠
B.
硫代硫酸钠
C.
阿托品
D.
亚甲蓝
E.
硫酸镁
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