It is proved that this medicine is ____ against cancer.
A: economic
B: easy
C: expensive
D: effective
A: economic
B: easy
C: expensive
D: effective
举一反三
- It is reported that this medicine is ___ against lung cancer. A: efficient B: easy C: expensive D: effective
- Studies show that this new medicine is ___ against liver cancer. A: efficient B: easy C: expensive D: effective
- It is reported that this medicine is ________ against lung cancer.
- 中国大学MOOC: Studies show that this new medicine is ___ against liver cancer.
- What kind of cancer may the sunlight protects us from? A: Stomach cancer. B: Skin cancer. C: Lung cancer. D: Blood cancer.