在温室育苗光照控制中,对苗木光合作用最有利的是()。
A.绿光
B.红光
C.蓝光
D.紫外线
参考答案:B
如医务人员发现药品引起的可疑不良反应,应及时报告给()
A.医院药物不良反应监测组
B.省、自治区、直辖市药品不良反应监测中心
C.药物不良反应专家咨询委员会
D.国家药品不良反应监测中心
E.世界卫生组织的药物监测合作中心
Part 3
Questions 19-25
The Power of One
"747", "man on moon", and "the lnternet" (Par
A.1) are given as examples to show ______.A. how much technology has achieved so farB. how much damage people have done to the earthC. how much people were able to imagine a hundred years agoD. how difficult it is to come up with technological solutions