The population decreased from the 1840s until about 1970,largely because of（）.

单项选择题Ireland is unique among European countries for（）.

A.its small population
B.its beautiful scenery
C.its rich natural resources
D.its century-long population decline

单项选择题Ireland has the following demographic features except（）.

A.it has a low birthrate
B.it has a late marriage age
C.it has an excess of females in the population
D.it has a high proportion of bachelors and spinsters of all ages

单项选择题Which of the following is not true of Ireland.s climate?（）

A.It is dry.
B.It is moist.
C.It is mild.
D.It is changeable

单项选择题The most significant feature of Irish landscape is（）which provide peat used for fuel.

A.bogs　
B.streams
C.islands　
D.cliffs

单项选择题The largest river in Ireland is（）

A.the Liffey River　
B.the Dodder River
C.the Shannon River　
D.the Lough Derg