农户联保贷款的联保小组成员应当遵循（）的原则。
A、自愿组合
B、诚实守信
C、责任连带
D、风险共担
参考答案：A, B, C, D
什么是防爆水幕？
—Is this your pen?
—No, it's ______. [ ]
A. my sister
B. he's
C. his brother's
D. my teacher
