依据《恶臭污染物排放标准》,排污单位排放的恶臭污染物,在排污单位边界上规定监测点(无其他干扰因素)的()都必须低于或等于恶臭污染物厂界标准值。
A. 月平均监测值
B. 一次最大监测值
C. 一小时平均监测值
D. 一小时最大监测值
听力原文: A twenty-year action plan for cutting the rate of world population growth is expected to win wide approval today in Cairo. Delegates at the UN-sponsored conference on population complete the final talks on the plan Monday. The document is non-binding but it will serve as a guideline for countries and states that fund health care and family planning programs. The world population of 5.7 billion currently is growing at more than 90 million a year.
Who sponsored the conference on population?
A. Cairo.
B. The United Nations.
C. The World Bank.
D. The World Health Organization.
On which of the following assumptions is based the belief, that tree-ring thicknesses show
A. Solar-activity cycle existed m its present form. during the period in question.
B. Average tree-ring thickness varies from species to species.
C. Tree-ring thickness varies with changes in terrestrial climate.
D. Both terrestrial climate and solar-activity cycle randomly affect tree-ring thickness.
第一次提出科学发展观是党的哪次会议()
A. 十六届三次会议
B. 十六届四次会议
C. 十六届五次会议
D. 十五届五次会议