在世界上首创临终关怀的国家是()
A.中国
B.美国
C.荷兰
D.英国
E.法国
参考答案:D
The soldier raised his gun and calmly, _____ it at the enemy commander, fired. [ ]
A. aiming
B. Aimed
C. to aim
D. aim \
什么叫调制?