Did you know that South Africa has the largest
hydro-electric power tunnel system in the world? But how is 'hydro' power
generated?
the sun
water
wind
coal and gas
The possible answers
were: the sun water wind coal and gas You said: the
sunwaterwindcoal and gas
不對。如果是利用太陽能發(fā)電, 那么 it is
called 'solar power'.
選擇正確。水利發(fā)電就是
'hydro-power'.
不對。因?yàn)閔edro
是水的意思,和電和氣沒有關(guān)系。
不對。如果是風(fēng)力發(fā)電就應(yīng)該是 'wind
power'.
你沒有回答這個(gè)問題。
3
The First Boer War (1880-1881) was the first time
soldiers wore khaki coloured uniforms. What colour is khaki?
a brownish colour
a yellowish colour
a bluish colour
a reddish colour
The possible answers
were: a brownish colour a yellowish colour a bluish
colour a reddish colour You said: a
brownish coloura
yellowish coloura
bluish coloura
reddish colour