The new study published in Science indicates that
A．low-level clouds tend to warm the ocean.
B．more cloud cover means a warmer world.
C．the warming of ocean is a threat to the low-level clouds.
D．the Pacific Ocean has more low-level clouds than before.

未分类题According to the second paragraph,A．schools should do more in their disaster preparedness.B．the government has been well prepared for disasters.C．parents do not care about their children enough.D．schools' former plans for disasters do not make sense at all.

判断题我国幼教行政体制与管理的原则：“地方负责，分级管理和有关部门分工负责”的原则。()

未分类题Which of the following is necessary in a disaster preparedness plan?A．Food, water, a telephone with extra batteries.B．Food, water, a flashlight with extra batteries.C．Food, a telephone with extra batteries and a meeting place in case of evacuation.D．Water, a telephone with extra batteries and a meeting place in case of evacuation.

判断题法约尔是管理过程学说的创史人，他第一次较系统地论述了管理的职能。()

未分类题Its hard to get data on cloud cover becauseA．the information from satellites is useless.B．recent satellite data is not enough.C．human observations are less acute than satellite data.D．satellite data can't be combined with human observations.