单选题：At first the researchers of the most recent study found resi

题目内容：

At first the researchers of the most recent study found residents in assisted living facilities gave higher scores on social interaction．

参考答案：

答案解析：

Though it helps for children to investigate care facilities，

Though it helps for children to investigate care facilities，involving their pare

分类：英语四级题型：单选题

Increasing water shortages prove to be the biggest obstacle to boosting theworld

分类：英语四级题型：单选题

甲公司在纸手帕等纸制产品上注册了“茉莉花”文字及图形商标。根据商标法律制度的规定，下列未经许可的行为中，构成侵权的有（　　）。A．乙公司在其制造的纸手帕包装上突

分类：英语四级题型：单选题

What does the change in the status of the kitchen reflect?A．Improved living cond

分类：英语四级题型：单选题

What is chiefly responsible for the undesirable performance of inner-city school

分类：英语四级题型：单选题