题目

实验探究某生物兴趣小组欲探究绿色植物的生理活动，图1所示装置用来比较植物光合作用强度和呼吸作用强度，已知其他条件均适宜。图2是甲处二氧化碳（CO2）的量与光照强度的关系。请据图回答下列问题： （1） 当装置甲处气体的二氧化碳浓度低于乙处时，植物光合作用强度 （填“大于”、“等于”或“小于”）呼吸作用强度。 （2） 不久后，同学们发现装置内壁上有水珠出现，该水珠来自于 和。 （3） 若将图1装置置于黑暗中LET YOUR LOVE FOR ANIMALS LIVE ON                               As someone who loves animals, you care about what will happen to them in the future. CSIA has been treating sick and injured animals since 1938. It's hard to imagine what would happen to the hundreds of thousands of pets who need us every year if we no longer existed.But in fact, we simply could not continue if it ?wasn't? for a very special kind of gift people like you leave to us in their wills (遗嘱).Can we depend on your kindness too? If you ?haven't? already done so, please consider including a gift to CSIA in you will. For free information on how to go about it, please call our helpline on 0800 8421950.Your love for animals can live on with a gift in your will to CSIA.CSIAfor pets in need of vets (兽医)1.This advertisement is trying to persuade people to  _______.A. buy a gift for a pet               B. give money for animal careC. work for an animal hospital        D. treat sick and injured animals 2.The advertisement is mainly aimed at  _______.A. vets       B. zoo keepers   C. old pet lovers     D. animal hospital assistants 3.What is CSIA most likely to be?A.A pet shop.                         B. An animal hospital.C. A club for pet lovers.             D. A training center for vets.