一物体漂浮在水面上，质量是100克，该物体受到的浮力为________，它浸入水里的体积为________。
0.98牛，10-4 米3
On the way home I met my friend John, from _______ home the thief had stolen a computer.
A．whom
B．which
C．that
D．whose
钼的化学元素符号是______。
A．Mg
B．Mn
C．Mo
D．M
