涎腺炎适合手术治疗的指征是()
A.体温上升
B.进食时疼痛
C.单侧涎腺红肿
D.涎腺结石或脓肿形成
E.唾液减少
参考答案:D
正项等比数列{an}中,a3a11=16,则log2a2+log2a12=______.
According to the crowding out effect, which of the following statements is least likely correct The sale of government bonds used to finance excess government spending will:()
A. raise the interest rate.
B. reduce private investment spending.
C. increase the profitability of corporate investment projects.