Risk of collision may be deemed to exist（）.

[问答题]简述发展与教育心理学研究的基本原则。

[单选题]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.” 32.（）

[多选题]电子商务设计安全机制，需要遵循哪几大原则？（）

[填空题]大蒜油可调节血糖，清除血液中多余（）降低糖尿病发生几率。

[多选题]不宜进行热水坐浴的是（　）

[单选题]对于体虚夹湿热的儿童可以选用的滋补药是（   ）

[单选题]长期全胃肠外营养（TPN）病人，出现高渗性非酮性昏迷的主要原因是（）

[多选题]安全事故发生后，现场有关单位和人员不得破坏事故现场、毁灭相关证据。有（）原因时，需要移动事故现场物件的，应当做出标志，绘制现场简图并做出书面记录，妥善保存现场重要痕迹、物证。

[多选题]铅中毒发展到一定程度主要表现（）。

[单选题]测量范围总是(　　)标称范围。

[单选题]Risk of collision may be deemed to exist（）.

[单选题]The Rules state that risk of collision shall be deemed to exist（）．

[单选题]The risk of collision shall be deemed to exist if the compass bearing of an appr...

[单选题]Risk of collision may exist（）.

[单选题]Which procedure(s) shall be used to determine risk of collision? （）

[单选题]Risk of collision is considered to exist if（）.

[单选题]When you doubt the existence of risk of collision,（）.

[单选题]When you doubt the existence of risk of collision,（）.

[单选题]When you doubt the existence of risk of collision,（）.

[单选题]Especially in adverse weather,risk of collision with an offshore supply vessel i...