【单选题】Farmers shouldn't keep _____ the forests but should continue _____ more trees. [ ]
B.
cutting down, to plant
【单选题】如图所示的围棋盘遵循了共用性设计的()原则。
【单选题】如图所示的围棋盘遵循了共用性设计的()原则。
【判断题】The more forests were publicly held, the more welfare a society got.
【判断题】错误控制运算符一般使用在开启session前。
【单选题】More than ______ is to be found in the rain forests.
A.
30% of the world's species
B.
60% of the world's species
C.
60% of the world's plants
【多选题】电子支付的类型按电子支付指令发起方式除了网上支付、电话支付、移动支付外还有( )等其他电子支付方式。
【多选题】以下属于民俗服饰中“猪”图案寓意的有( )?