冷拼按装盘的形式来划分，可分为（）。
A.馒头形
B.四方形
C.棱形
D.桥梁形
E.花园形
参考答案：A, B, C, D
Why can’t I lend you my bicycle().
A.Because someone else was using my bicycle.
B.Because my bicycle was stolen.
C.Because I don’t want to lend my bicycle to anyone.
恒重系指供试品经连续两次干燥或炽灼后的重量差异小于（）
A.0.4mg
B.0.2mg
C.0.3mg
D.0.5mg
