举一反三
- If a new drug decreases the risk of breast cancer in postmenopausal women from 0.3% per year to 0.15% per year, which of the following accurately describes the change in risk?
- In which country do workers clock up the most hours per year?
- Which of the following statements is NOT true(). A: About one person per day dies from lightning in the U.S. B: About 365 persons per year die from lightning in the U.S. C: About one person per hour dies from lightning in the U.S.
- Beckham Company has the following information available: Selling price per unit $100 Variable cost per unit $55 Fixed costs per year $400,000 Expected sales per year 20,000 units What is the expected operating income for a year?
- The course normally attracts 20 students per year,_______up to half will be from overseas.
内容
- 0
Which of the following are the most common and clinically useful risk factors for the breast cancer? A: Fibrocystic disease, age and gender B: Cysts, family history in immediate relatives and gender C: Age, gender and family history in immediate relatives D: Obesity, Nulliparity and alcohol use
- 1
3. Which of the following sentence is right? A: The goal is to learn their risk of thyroid cancer the extent to which radiation may increase. B: The goal is to learn the extent to which radiation may increase their risk of thyroid cancer. C: The goal may increase their risk of thyroid cancer is to learn the extent to which radiation. D: The goal is to learn the extent to radiation which may increase their risk of thyroid cancer.
- 2
The study suggested that dietary isoflavones have a small protective effect on the risk of breast cancer but not lignans.（）
- 3
Women would double their risk of suffering from lung cancer if they were exposed to 40 or more years of household tobacco smoke.
- 4
Which of the following is most appropriate for measuring a bond’s sensitivity to shaping risk?