抵押人和抵押权人应当以书面形式订立抵押合同。
参考答案：对
—Could you tell us _______.
—In two days. [ ]
A. how long will he come back
B. how long he will come back
C. how soon will he come back
D. how soon he will come back
一般柴油机增压器的出口空气温度在（）℃以上。
A、100
B、200
C、300
D、500
