Directions: Listentoa passage and choose the best answer from the four choices provided for eachquestion
A. Read the online review of the product.
B. Read the online review of the shipping.
C. Write questions about the product online.
D. Write questions about the business online.
查看答案
Question 2
A. Because bad reviews require legal action.
Because bad reviews can hurt their business.
C. Because business reviews are getting popular.
D. Because many people write business reviews.
Question 3
A. Because the business began legal action.
Because the business charged them $7,000.
C. Because the couple said the review was true.
D. Because the couple was too sad and unhappy.
Question 4
A. Free speech is protected in the US.
B. The news media can be very helpful.
C. Online reviews can be very powerful.
D. Online reviews can lead to legal action.
以下哪个不属于DNA是遗传物质的经典探究实验
A. 格里菲斯肺炎双球菌体内转化实验
B. 艾弗里转化因子实验
C. T2噬菌体侵染实验
DNA的X射线衍射图谱实验
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