年产量为100万吨以下的一级矿井，年度死亡人数不得超过（）人。 1。 2。 3。
Melissa Poe
Melissa Poe was 9 years old when she （31） a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts， her letter was reproduced on over 250 donated billboards （广告牌） （32） the country.
The response to her plea help was so （33） that Poe established Kids For A Cleaner Environment（Kids F.A.C.E.）in 1989. There are now 300，000 （34） of Kids F.A.C. E. worldwide and is the worlds largest youth environmental organization.
Poe has also petitioned the National Park Service to （35） a "Children's Forest" project in every national park. In 1992， she was invited as one of only six children in the world to speak at the Earth Summit in Brazil as part of the Voices of the Future Program. In 1993， she was given a Caring Award for her （36） by the Caring Institute.
Since the organization started， Kids F. A. C. B. members have distributed and planted over 1 million， trees! Ongoing tree-planting projects include the （37） of Kid's Yards-backyard wildlife habitats（栖息地） -and Kid F.A. C. E. is involved in the exciting Earth Odyssey， which is a great way to start helping.
"Starting the club （38） out to be a way to help people get involved with the environment -club members started doing things like recycling， picking up litter and planting trees as well as inviting other kids to join their club."
"We try to tell kids that it's not OK to be lazy，" she explains."You need to start being a responsible， environmentally （39）person now， right away， （40）you become a resource-sucking adult.”
40.（） creation。 across。 implement。 before。 members。 began。 turned。 purpose。 overwhelming。 efforts。 friendly。 professional。
男女智力的总体水平大致相等，智力结构存在差异。
将原料直接放入冷水中加热至沸，捞出在晾凉备用的是（）。 冷水加工法。 沸水加工法。 温煮加工法。 焖制加工法。
建构主义理论的提出者是心理学家（）。 维果斯基。 皮亚杰。 布鲁姆。 布鲁纳。
心理学家提出了发展关键期或最佳期概念，这说明个体身心发展的的（）。
