学校六年级有195人参加了“百题无差错”竞赛,全对人数占25,而全对人数中的71

题型:解答题

问题:

学校六年级有195人参加了“百题无差错”竞赛,全对人数占
2
5
,而全对人数中的
7
13
是女生,全对的女生人数是多少?
考点:分数乘法及应用
题型:解答题

五、单词拼写(5%)

1. The student p________________ to be doing his homework when the teacher came in.

2. When the car accident happened, a few p_______________ witnessed it and they sent the     

injured driver to the hospital.

3. Many children s________________ to death in Africa every year because of the lack of food.

4. Under the lead of our Party, we finally got i_____________ from the other countries.

5. He managed to save the d___________ girl in the lake, which was praised by many people.

6. Children always show c______________ about everything because they want to know everything around them.

7. She is not s________________ enough to wear these tight(=" not" loose)trousers.

8. The boss demands all the assistants in his shop remember “c_______________ first”.

9. China isn’t what she used to be. She is p_________ enough now to compete with developed countries.

10. Beethoven was one of the greatest m____________.

题型:解答题

下列句子中没有语病的一项是:[ ]

A.全班同学和团员在课堂上都能积极发言。

B.一只狗在麻雀看来该是多么大的怪物呀!

C.通过这次丰富多彩的活动,使我们明白了许多做人的道理。

D.我国的人口占世界的五分之一,是世界上最多的国家。

题型:解答题

在氯化镁、氯化亚铁和氯化铜的混合物中加入一定量的铝粉,充分反应后过滤,分别得到滤液和金属,若向滤出的金属中滴加稀盐酸,有气泡产生,则可推断,得到的滤液中一定含有的溶质是______(化学式).

题型:解答题

下列实验现象预测正确的是(  )

①实验Ⅰ:振荡后静置,上层溶液颜色保持不变

②实验Ⅱ:酸性KMnO4溶液中出现气泡,且颜色逐渐褪去

③实验Ⅲ:微热稀HNO3片刻,溶液中有气泡产生,广口瓶内始终保持无色

④实验Ⅳ:继续煮沸溶液至红褐色,停止加热,当光束通过体系时可产生丁达尔效应.

A.①②

B.②③

C.②④

D.③④

题型:解答题

以下哪一项不属于生理性胃食管反流()

A.胃、十二指肠内容物反流入食管

B.由于餐时LES反射性松弛

C.由于餐后LES反射性松弛

D.食管黏膜无病理改变

E.Barrette食管

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