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7km30m=____km

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7.03

同类题1

Our PE teacher is playing basketball.(改为一般疑问句)

____ ____PE teacher____basketball?

同类题2

完形填空

    Peter used to be a “problem child”, but a recent 1 with his mother changed his life. After his father's death, Peter's life became much more difficult. His mother had to2 and was often not at home.

    His mother looked after him as well as possible. But3 Peter still caused problems. He was not4in studying. His mother was very5 and didn't give up. In the end, she made a 6: to send him to a boys' boarding school.

    One day, Peter told his teacher he wanted to leave the school. The teacher said he must7 with his mother. Peter called his mother, but this phone call 8 his life. “My mother helped me to understand how much she had given me. ”

    Now Peter has really changed. He is now one of the 9students in his class. His mother's10helped him to feel good about himself.

同类题3

小明对中国地理位置的描述中,错误的是(  )

同类题4

将O2和NH3的混合气体448mL通过加热的三氧化二铬,充分反应后,再通过足量的水,最终收集到44.8mL气体。原混合气体中O2的体积可能是(假设氨全部被氧化;气体体积均已换算成标准状况)(    )

同类题5

常温下,由下列实验事实得出结论错误的是
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