根据贫困人口的结构性特征表现,()更容易称为贫困人口。
A.发达国家
B.发展中国家
C.城市
D.乡村
参考答案:D
(2013·石家庄市高三二模)When I got back home I saw a note pinned to the door, ________ “Sorry to miss you; I will call you later.”
A.read
B.reads
C.to read
D.reading
超声波疗法中连续超声波固定法的治疗剂量是()
A.0.1~0.5W/cm2
B.0.5~1.0W/cm2
C.1.0~1.4W/cm2
D.1.5~2.0W/cm2
E.2.0~2.5W/cm2