防止煤尘爆炸传播技术分为被动式隔爆技术和自动式隔爆技术,不属于被动式隔爆技术的是()。
A.岩粉棚
B.水槽棚
C.使用喷洒装置
D.水袋棚
参考答案:C
2008年全年实际使用外商直接投资金额191.67亿美元,增长11.9%;其中,制造业占59.4%,房地产业占17.3%,租赁和商务服务业占4.4%,批发和零售业占5.9%,交通运输、仓储和邮政业占3.7%。
2008年全年经核准境外投资协议金额21.8亿美元;对外承包工程完成营业额68.6亿美元,比上年增长25.6%;对外劳务合作完成营业额5.84亿美元,下降7.2%;年末在外人员34594人。
2008年对香港地区的贸易顺差额比美国高()倍。
A.2.14
B.2
C.1.93
D.1
Suppose a foreign friend of yours has written to inquire about the possibility of making a seven-day visit in China. Write a reply to give him some information. The following should be included: (1) The place you recommend for him to visit and the reasons ; (2) The suggested route and the timetable of the visit; (3) Some advice on how he should prepare for the visit; (4) Your arrangement for his visit to Beijing.