求生者登岛后，在岛上用石头贝壳等堆砌成（）是求救的一种可行方法。

Easter(复活节)is one of the two important Christian festivals．Easter celebrates resurrections (复活) of Jesus Christ(耶稣基督)and Christmas celebrates his birth．It's not a festival as big as Christmas．It starts usually in late March or early April and the Easter holiday is Friday, Saturday, Sunday and Monday．It’s quite a long holiday for everybody．

The main symbol(象征物)of Easter is Easter eggs．Children like Easter eggs because they are made of chocolate．Eggs are a symbol of new life．

Easter is also a time for families to get together like Christmas．Many people see Easter as a nice long holiday and they have a good time with their families and friends．

小题1:People love Easter because ___________．

A．it’s a long holiday

B．it’s the birthday of Jesus Christ

C．they can have real eggs on that day

D．everybody believes in Jesus Christ小题2:People begin to celebrate Easter in _________．

A．mid-April or late April

B．mid-March or late March

C．late March or early April

D．early March or mid-March小题3:Easter eggs are _________．

A．covered by chocolate

B．chocolate eggs

C．a symbol of death

D．not food小题4:From the passages，we know that ________．

A．Jesus Christ died on Christmas Day

B．Jesus Christ was born on Christmas Day

C．Jesus Christ was born on Easter

D．Jesus Christ died and got his resurrection on Christmas Day．

销毁雷管时，应控制销毁雷管的数量，在野外小坑内销毁雷管时，每坑销毁数量不宜超过（）。

A.1000发

B.2000发

C.4000发

杀菌剂按作用方式分为（）剂和（）剂。

材料按计划成本计价时，期末应将发出材料的计划成本______

A．加材料成本节约差异
B．减材料成本节约差异
C．调整为实际成本
D．按计划成本计价

在等电位联结的分类中，将导电部分间用导体直接连通，使其电位相等或接近的方法称为( )。

A．总等电位联结
B．局部等电位联结
C．辅助等电位联结
D．分等电位联结