【答案】C【答案解析】试题分析：A、保险丝是用铅锑合金制作，电阻较大，熔点比较低，不能用铜丝．铁丝代替保险丝，不符合题意．B、用试电笔辨别火线与零线时，手指没有碰到笔尾的金属体，电流不能形成回路，即使接触火线氖管也不会发光，不符合。
我也想要,你找到没
一、。 1. B 2. D 3. C. 4. C 5. A.
二、 1. I can’t wait to tell you 2. Iam afraid (that) 3. I often feel a bitsad 4. I am quite tall, with longhair
三、 1. In Central Park. 2. For a coffeeand a hamburger. 3. Because he thoughtthe man was a pickpocket. 4. On thetable at home. 5. He was honest, bravebut careless.
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四、 1. A 2. D 3. B 4. A 5. A 6. C 7. A 8. A 9. B 10. C
五、My Favourite Teacher I’ve got many good teachers. But my favourite one is ourEnglish teacher, Miss Lin. She’s about thirty years oldand she looks very pretty. She is quite tall with short hair and a pair ofglasses. She often wears jeans and T-shirt. She likes singing and doing sports.She works hard and she is very strict with us. She spends a lot of time takingcare of us and helping us with our lessons. She often talks to us andencourages us when we get bad marks or do something wrong. Anyway, she is not only our good teacher butalso our good friend. She is one of the best teachers in our school. I’m proud of her.
自己去买本有答案的不就行了
我也曾经这么干过
放弃挣扎吧
是书后面的吗 ！ 我有答案 不知道是不是
分析下列情境中的研究物件那些能够看作质点。那啊些不能看作质点
1 研究跳水运动员在空中做的转体运动
2 研究执行中的人造地球卫星的轨道
3 研究运动中的脚踏车车轮的转动快慢
4 研究乒乓球在空中飞旋的轨迹
高中化学必修1模组试题下载：
:t.3edu./ShowSoftDown.asp?UrlID=1&SoftID=163629
（新课标）第一学期期末考试高一年级化学试卷（A）.doc (57.5 KB)
（新课标）第一学期期末考试高一年级化学试卷（B）.doc (68 KB)
:jysls./thread-279650-1-1.
17、18页答案：D B B B 64.98 1099.80 所配溶液浓度偏低 13.9 224：140：35：2 27 铜离子0.2摩尔 氯离子 0.4摩尔 40
20、21页答案：不爱打字了 也没有分得 算了 亲自己做吧 找同学参考 不然就找个家教啥的吧
2aS= Vt²-V。²
初速度为0
S=Vt²/2a
:shulihua./Html/gzsx/您好，看看这个网站吧，或者到淘宝上购买答案参考书