【单选题】—______ bargaining is always such great fun? —Usually people consider it a test to see who can stand their ground longer.
【单选题】根据中世纪传统,英国王室的固定收入仅有王室领地和以下哪个内容
【简答题】定性分析按分析目的,可分为性状鉴别、一般鉴别和 。
【单选题】The life of a high school student is usually active, exciting and full of fun, but it ______ be stressful sometimes. [ ]
【判断题】胎膜锻主要有扣模、筒模和合模 3 种。其中,筒模可分为开式筒模、闭式筒模和组合筒模等。通常用于生产形状较复杂的非回转体锻件。
【单选题】What are they doing? They're __________ fun. [ ]