石油中碳含量占(),氢含量占()。
参考答案:83~87%;11~14%
The deal, _______ next week, will allow Charney to make a great fortune in the stock market.
A.completed
B.being completed
C.to be completed
D.having been completed
患儿男,生后2天,出生体重为2400g。因吸入性肺炎入院,入院时患儿呼吸急促,口唇稍发绀。即置于辐射保暖床上抢救。
该患儿吸氧的流量应选择每分钟为()
A.1L
B.2L
C.3L
D.4L
E.5L