看拼音写汉字（4分）园子中重峦叠zhàng( )的假山，映衬的恰到好处的盆景，高

用两个相同的正方体木块拼成一个长方体，长方体的表面积比两个正方体的表面积的和少16平方厘米，一个正方体的表面积是（    ）平方厘米。

用所给动词的正确形式填空

小题1:Please tell them __________ (not throw) the paper away. They can use it again.

小题2:When I came in, I saw a purse __________(lie) on the floor.

小题3: --- I called you just now, but you didn’t answer.

--- Sorry, I ___________ (discuss) with my sister about homework.

小题4:The small village _________ ( turn) into a modern town in the past ten years.

小题5:I often hear her ________ (sing) in the next room.

小题6:There ___________ (be) a talk show on CCTV-4 at nine this evening, isn’t there?

小题7:The children __________ (enjoy) themselves in the park at the moment.

小题8:My cousin’s lovely cat __________ (die) two days ago.

小题9:He with his classmates ___________ (exercise) every morning.

小题10:I’m sorry I _______ (keep) you waiting for such a long time.

下列属于进出口货物收发货人或其代理人申请修改或撤销进出口货物报关单，应提交的单证的是()。

A、进出口货物报关单修改/撤消确认书

B、可以证明货物实际情况的合同、发票、装箱单

C、外汇管理、国税、检验检疫、银行等有关部门出具的单证

D、海关出具的相关单证

桥梁上部结构施工中，预拱度施工确定应考虑的因素不包括（）。

A．卸架后上部构造本身及活载一半所产生的竖向挠度

B．支架在荷载作用下的弹性压缩挠度

C．支架在荷载作用下的非弹性压缩挠度

D．支架基底在荷载作用下的弹性沉陷

简述农业生态学的特点。