一旦确诊为梅毒,驱梅疗法中不正确的是:()
A.及早
B.足量
C.连续
D.外治
E.规则用药
参考答案:D
St Petersburg, is a very beautiful city, was once called Leningrad.
A.which
B.where
C.that
D.what
太阳灶每小时吸收热量为8.4×106J,相当于______kg的焦炭完全燃烧放出的热量.(焦炭的热值为3.0×107J•kg-1)