颈椎病神经根型的治疗常用
A.颌枕带牵引B.药物溶栓C.扩张血管的药物D.手术治疗E.颈部石膏固定
参考答案:A
设变量a和b已正确定义并赋初值。请写出与a=a+b等价的赋值表达式 【6】 。
When we are in a new place, we must __our manners and try to follow the customs of the place.
A.look out
B.keep eyes out
C.mind
D.put up with