麻绳、纤维绳用作吊绳时,其许用应力不准大于0.98kN/cm2。用作绑扎绳时,许用应力应降低()。
A.0.3
B.0.4
C.0.5
D.0.6
参考答案:C
男性,65岁,高血压病史10余年,既往有气喘病史,昨日突然出现神志不清,左侧肢体瘫痪,测血压200/120mmHg、血糖11.2mmol/L、血胆固醇7.8mmol/L。此时降压治疗应将血压降至下列哪种水平为宜
A.150/100mmHg
B.180/105mmHg
C.130/90mmHg
D.120/85mmHg
E.170/105mmHg
If you had told me in advance, I ___ him at the airport. [ ]
A. would meet
B. met
C. would have met
D. were to meet