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【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man’s life. For years sc...
A.
It is the production by termites that is now of greater concern.
B.
What scientists worry more about is the output from burning fuels.
C.
The output from burning fuels is now rising steadily.
D.
The burning of fuels generates much less carbon dioxide than termites do.
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man's life. For years sc...
A.
low temperatures are created by using a house
B.
the house is made green in order to keep heat
C.
heat is prevented from escaping outside
D.
everything is kept green in a house
【多选题】通常家长进课堂的类型 ( )
A.
家长作为参观者进入课堂 ，了解幼儿园的保教活动和 孩子在幼儿园集体活动中的表现
B.
家长作为志愿者，以“教师”的身份进入到孩子的活动环境中，用他们的兴趣、特长、行为和能力去影响孩子， 增进家长和教师的相互信任与理解，在家长和老师互补的过程中形成教育合力
C.
家长在外面悄悄地观察孩子
D.
家长在外面悄悄地观察老师