[多项选择]对富氧鼓风冶炼特征叙述正确的是（）。
A. 煤气发热值提高
B. 理论燃烧温度升高
C. 煤气量减少
D. 间接还原扩大

The dream changed. For hours, it seemed, I had been wandering aimlessly through a silent forest of pine trees; now. I was alone in a small boat which was drifting along lazily, past tree-covered islands, whose bare rocky edges rose abruptly from the transparent water. I was being carried between grassy banks where meadows sprinkled with butter-cups sloped to the river. Soft fluffy clouds were reflected in the velvet surface of the water. The current must have been steady and strong, for the boat kept moving forward smoothly, without meeting any obstacle, as though it were being steered by some invisible hand.
Soothed by the peace of my journey, I had lost all count of time. Eventually, I became aware that the boat was gliding slowly towards the bank. At this point where a narrow stretch of silver sand was bounded on either side by heaped granite boulders, an old man was standing, his hand shading his eyes. As the boat ran around, he came up to me, held out his hand, and g
A. He had no control over his actions.
B. He was afraid of something unknown.
C. He knew that something horrible awaited him.
D. He found the man who greeted him evil-looking.

解析下面试题。
甲午战争后，各资本主义国家向中国进行资本输出，加快了中国民族资本主义的发展，其原因是（）。
①列强的资本输出迫使中国政府开始鼓励民办企业
②列强资本的输出为中国民族资本主义的发展提供了资金
③列强在资本输出的同时将他们国家的先进技术和设备带到了中国
④列强资本输出导致中国的商品市场和劳动力市场的进一步扩大

国内甲公司的记账本位币为人民币，采用交易发生日的即期汇率折算外币业务。2011年甲公司发生如下经济业务：
(1)1月1日，甲公司支付价款1000万美元购入美国发行的3年期A公司债券，甲公司划分为可供出售金融资产，面值1000万美元，票面利率6%，于年末支付本年利息，实际利率6%，当日汇率为1美元=6.83元人民币。12月31日，公允价值为1100万美元，当日汇率为1美元=6.84元人民币。
(2)10月5日以每股4美元的价格购入B公司10万股作为交易性金融资产，当日汇率为1美元=6.86元人民币，款项已经支付，12月31日，B公司股票市价为每股4.2美元，当日汇率为1美元=6.84元人民币。
(3)12月8日以每股10港元的价格购入1000万股C公司股票作为可供出售金融资产，当日汇率为1港元=0.9元人民币，款项已经支付，12月31日，C公司股票市价为每股15港元，当日汇率为1港元=0.98元人民币。
要求：根据上述资料，不考虑其他因素，回答以下问题。