Science is still （） of the causes of many kinds of cancer.
A: ignorant
B: unconscious
C: conscious
D: informed
A: ignorant
B: unconscious
C: conscious
D: informed
举一反三
- Research into the causes of cancer reveals that we are still unsure of its precise causes.
- William Howell argues that awareness and intercultural competence can be thought of as a four-stage process. Which is the first stage? A: conscious competence B: conscious incompetence C: unconscious competence D: unconscious incompetence
- What kind of cancer may the sunlight protects us from? A: Stomach cancer. B: Skin cancer. C: Lung cancer. D: Blood cancer.
- Lung cancer is the No.1 cancer to kill American people. No cancer kills more American than lung cancer.
- He fell on his head and lost ________. A: conscious B: unconscious C: consciousness D: unconsciousness