皮皮学,免费搜题
登录
搜题
【简答题】
阅读理解。 Today is fine. The sky is blue. Now it's nine o'clock in the morning. There's a sports meeting in the forest (森林) on the big mountain. Look, a horse a panda and a cat are running. Over there a dog and two tigers are jumping. Two monkeys are climbing the tree. Four birds are flying around and singing. There're some animals there, too. The elephants are standing. A monkey is sitting on an old elephant. The monkey has a flag (旗) in his hand. Polly is sitting in the tree. A fox, a baby panda and some little animals are sitting under the trees. They are all watching. 1. What color is the sky today? It's _____. A. white B. blue C. black D. yellow 2. How many animals are running and jumping? _____. A. Fourteen B. six C. Eleven D. Five 3. Which animals are climbing the tree? _____. A. The monkeys B. The pandas and the foxes C. The elephants and the cats D. The horses and the pandas 4. There's _____ at the sports meeting. A. not any birds B. a lot of animals C. many people D. many monkeys 5. Who're all watching the meeting? _____. A. A tiger , a baby horse and some cats B. A fox, a baby panda and some little birds C. Polly, an elephant and some fish D. A monkey, a baby cat and some birds
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【判断题】渐开线上任意点的法线必于基圆相切,直线齿廓的基圆半径为无穷。( )
A.
正确
B.
错误
【单选题】Professor Li'succeeded ________, and his success made us excited. [     ]
A.
by the end
B.
to the end
C.
in the end
D.
at the end
【单选题】下列哪一项不符合腺泡中央型肺气肿
A.
慢性细支气管炎是本型发生的主要原因
B.
病变累及肺腺泡的中央部分,以呼吸细支气管病变最明显,呈囊状扩张
C.
与α1-抗胰蛋白酶减少有关
D.
肺泡管、肺泡囊变化不明显
【简答题】可以溶解大部分生物碱的溶剂为( )、( )。
【简答题】渐开线上任意点的法线必定与基圆     ,直线齿廓的基圆半径为    。
【判断题】当基圆半径为无穷大时,其渐开线就变成一条直线,故齿条的齿廓曲线为直线。
A.
正确
B.
错误
【单选题】下列哪一项不符合腺泡中央型肺气肿( )
A.
慢性细支气管炎是本型发生的主要原因
B.
病变累及肺腺泡的中央部分,以细支气管病变最明显,呈囊状扩张
C.
与α-抗胰蛋白酶减少无关
D.
肺泡管、肺泡囊变化不明显
【单选题】_______, Liu Yu achieved his dream. [     ]
A.
In the end
B.
At the end
C.
To the end
【单选题】下列哪一项不符合腺泡中央型肺气肿?
A.
肺泡管、肺泡囊变化并不明显
B.
病变累及肺腺泡的各个部位
C.
与α1抗胰蛋白酶缺乏症无关
D.
慢性细支气管炎是主要病因
E.
肺腺泡中央区的呼吸性细支气管呈囊状扩张
【简答题】A、B、C、D是中学化学的常见物质,其中A、B、C均含有同一种元素.在一定条件下相互转化的关系如图所示(部分反应中的H 2 O已略去).请填空: (1)若D是生产、生活中用量最大、用途最广的金属单质 ①若A可用于自来水消毒,则用A制备漂白粉的化学方程式是______.则C的化学式是______.配制C的溶液时可加入少量的______(填物质名称)以抑制水解. ②若A是某强酸的稀溶液,则A的化学式可...
相关题目: