保持投影前后角度不变的投影称为（）。
A、等积投影
B、等角投影
C、等面投影
D、等边投影
参考答案：B
It must guide public opinion, after presenting ______ both sides of every issue and pointing out to readers what measures seem to promise the greater good for the greater number.
A. inquisitively B. inconceivably C. appallingly D. impartially
