降压治疗的目标是使血压降至
A.血压<130/85mmHgB.血压<140/90mmHgC.血压%120/80mmHgD.血压<110/70mmHg
参考答案:B
He seems poor, but I ________ that he has quite a lot of money.[ ]
A. wonder
B. suspect
C. convince
D. assure
早期发展经济学主要提倡发展中国家建立()密集型的产业。
A.劳动力
B.资源
C.技术
D.资本