我国的北戴河成为夏季避暑胜地的主要因素是[ ]
A、纬度因素
B、海陆因素
C、地形因素
D、洋流因素
答案：B
Which of the following statements about tax deferrals is FALSE()
A. Income tax paid can include payments or refunds for other years.
B. A deferred tax liability is expected to result in future cash outflow.
C. Taxes payable are determined by pretax income and the tax rate.
口腔唾液的pH值为
A．4.0～7.4
B．4.8～7.4
C．5.8～7.4
D．6.5～7.4
E．6.8～7.4
