哪些部位的恶性肿瘤均易转移到肺部()
A．乳腺
B．肾
C．骨
D．消化系统
E．头颈部
参考答案：A, B, C, D, E
________ a difficult situation, so you should send a message to him and give some advice to him .
A．As he is in
B．He is in
C．Being in
D．He being in
质量为10.0mol的某一单原子理想气体，在被压缩的过程中，外力对它做功为2.09×102J，使其温度升高1.00℃，则此过程中气体的内能增量和吸收的热量分别为（）。
A．
B．
C．
D．
