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1.()when whites in the colonies confidently asserted， ”We are here because we are superior.”
2.()devised to lessen the drudgery of washing clothes that the origin of the washing machine is unclear.
3. Beneath the streets of a modern city () of walls， columns， cables， pipes， and tunnels required to satisfy the needs of its inhabitants.
4. Although the Earth＇s chemical composition had been studied for years， only toward the end of the nineteenth century()as a discipline in its own right.
5. Not only()all the positive charges of an atom， it is also the site of the weight of every atom.
6.()that his novel would cause so much commotion， he would not have written it.
7. A sneeze cannot be performed voluntarily，() be easily suppressed.
8. As inevitably as human culture has changed with the passing of time，()
9. In no case()
10. Which of the following sentences is INCORRECT?
