题目内容

There are several forms of breast cancer, and treatments are carefully matched to each type.

A. 对
B. 错

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Hormone therapy may shrink or slow the growth of cancer, and thus it will eliminate the cancer if properly used.

A. 对
B. 错

Mammograms, an X-ray of the breast, can show tumors before they get large enough to feel.

A. 对
B. 错

A breast ultrasound can help find cysts, fluid-filled sacs that most often aren’t cancer.

A. 对
B. 错

HTML5中的( )元素可以包含所有通常放在页面头部的内容。

A. header
B. nav
C. aritcle
D. section

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