一国政府为了境地出口产品的价格，加强其在海外市场上的竞争能力，在出口某种商品时给与补贴的行为被称为（） ["出口补贴","商品倾销","买方信贷","出口信贷国家担保"]
If the chosen topic for a conversation lesson is too general it will not excite the students, if it is too specific some students will be interested, and others not.（）
某些专业化生产的包装容器企业，如啤酒瓶、氧气瓶等生产企业，如果从环境的复杂性和稳定性来衡量，基环境属于（） ["低度不确定","中低度不确定","中高度不确定","高度不确定"]
We should consider the said firm quite reliable for （） engagement as you mentioned. ["such an","such as","such a","such like"]
“艾斯特”定义
写出巴洛克时期两位作曲家的名字和主要作品？
