一个民族进步的灵魂,一个国家兴旺发达的不竭动力是()
A、发展
B、进步
C、创新
D、改革
参考答案:C
To his parents’ great joy, all their son’s years of hard work finally ____.
A.set off
B.paid off
C.took off
D.got off
某男性患者,因咳嗽、咯血、消瘦4个月收住院。X线胸片提示肺结核,行抗结核治疗。
脂肪的供给量约占总热能的()。
A.10%
B.15%
C.20%
D.30%
E.40%