.... but at least we can say that there is no scientific evidence for a causal association between the use of cell phones and cancer...
A: involving a cause
B: random
C: informal
D: weird
A: involving a cause
B: random
C: informal
D: weird
举一反三
- In the title “Are Teens Too Dependent on Cell Phones?”, we can predict that:
- What is said about cell phone use in the mid-1980s in paragraph 5 A: It had a life-taking effect because there weren't enough cell phones in use then. B: The increased use of cell phones then caused a "life-taking effect." C: Traffic fatalities increased then because the number of cell phones in use decreased. D: Traffic fatalities decreased then because the number of cell phones in use increased.
- We can use "hello" to greet people in an informal situation.
- There is evidence that the acrylamide in potatoes will cause cancer in humans.
- 中国大学MOOC: No one can use cell phones in any areas at the hospital _______ equipment might be affected by the interference from cell phones.