英语四级考试辅导：改错精练（4）

会计考友

　　Only a generation ago, Mauritania's capital city was
　　many day's walk from the Sahara. Today it is in the Sahara. 1.__________
7 `8 Z/ n/ t0 q; l! E. U6 V9 P　　The sand blows through the city streets and piles up in 2.__________
　　walls and fences. The desert stretches out as far as the
6 O% y# w* c7 H" c　　eye can see.
/ I, _6 x$ e( f6 {9 G' M! h　　In some parts of the Amazon rain forest in brazil, all
　　the trees have cut down. The earth lies bare and dry in the 3.__________
, M) O, I1 l! F# a7 A9 J7 e5 ^; w　　hot sun. Nothing grow there anymore. 4.__________
　　Over vast areas of every continent, the rainfall and
　　vegetation necessary for life is disappearing. Already 5.__________
' W& w0 u* R) \6 E& q　　more than 40 percent of the earth's land is desert and 6.__________
7 ~6 p/ K: N, Q　　desert-like. About 628 million people--one out of seven--
　　live in these dry regions. In the past, they have managed to
+ m. r+ i# M6 w# _2 ^) ~' d　　survive, but in difficulty. Now, largely through problems 7.__________
; B$ a- F# C6 ?  Z- R! ^　　caused by modern life, our existence is threatened by the 8.__________
5 w4 ]+ A0 N' t+ B. j/ Y$ a0 @3 O　　slow, steady spread of the earth's deserts.
　　Many countries first became concerned in 1970s after 9.__________
9 i6 [4 N' |' a　　a terrible drought and famine destroyed Africa's Sahel,
　　the fragile desert along the south edge of the Sahara.
　　Thousands of people died even though there was a worldwide
; @& g4 k; Z) v6 ]3 F　　effort to send food and medicine to the starved people. 10.__________
5 a5 g3 }/ a8 B　　参考答案
7 C% _0 A& e! ?, ~7 S　　1. day's → days'
& c, a& Q- a! J; j: c　　2. in → against
　　3. have ∧ cut → been
　　4. grow → grows
4 ?& E& Y: S) u' q　　5. is → are
　　6. and → or
　　7. in → with
6 i% _& s2 ?8 ^; D　　8. our → their
　　9. in ∧ 1970s → the