稻谷加工中清理、选糙、碾白的基本原理
资本主义级差地租形成的具体条件有（） 土地的资本主义经营垄断。 农业的资本有机构成较低。 土地肥沃程度的差别。 不同地块地理位置的差别。 在同一块土地上连续投资的劳动生产率不同。
制作炸土豆卷时，土豆卷外表应挂上（）。 面包粉。 杏仁碎。 面粉。 面糊。
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。
下列哪项不时生产运作管理的项目（）
