The author holds that earthquake prediction______.
A．is basically unreliable
B．can be highly accurate
C．is potentially promising
D．is essentially mysterious

未分类题According to Paragraph 5, social norms will grow______.A．diversifiedB．disruptedC．balancedD．polarized

未分类题It can be learned from the first paragraph that______.A．ART is double-effectedB．HIV science is challengedC．AIDS research is dishonestD．AIDS denialism is prevalent

未分类题Which of the following would be the best title for the text?A．Double-sidedness of ART.B．HIV Science in Action.C．The Monster of AIDS Denialism.D．The Fight against AIDS Conspiracy.

单项选择题新民主主义社会时期，属于社会主义性质的经济成分是()

未分类题It is suggested real-time bid ads help advertisers to______.A．ease competition among themselvesB．lower their operational costsC．hold a stable customer baseD．provide better online services