题目内容

绳子可分为动力绳和静力绳,顶绳攀登时应使用静力绳

A. 对
B. 错

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Which of the following is not a risk factor of breast cancer?

A. family history
B. the use of birth control pills
C. smoking
D. early menstruation

What is the mechanism of breast cancer surgeries?

A. Using high -energy ray to destroy the cancer cells.
B. Removing the cancer tissues.
C. Using medication.
D. Injection of hormones estrogen or progesterone.

What is the sure way to decide whether a lump is cancer?

A CT scan.
B. A breast ultrasound.
C. A biopsy.
D. A MRI scan.

You might get an MRI along withas part of your routine testing if you have a higher risk of breast cancer.

A. a CT scan
B. a mammogram
C. a breast ultrasound
D. a biopsy

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