2.The favorable breeding ground for the locust is ___.</p> A.rich soil.
3 Z' e4 _" [2 l( r3 s B.wet land
- ^7 G2 f( i& P( c! R, l( I5 x C.paces covered crops and vegetation
: q( b: B! z! p D.the Red Sea* _: X4 @ \ u: V
3.People are alert at the threat of the locust because ___.
# |; ]& @5 w, H3 O6 | A.the insects are likely to create another African famine.
: P& Q, y* F2 e5 R3 |5 O! a' _' c0 D B.the insects may blacked the sky.
6 e4 Q4 Q" A# A/ M/ X& V% X% W C.the number of the insects increases drastically.
( k1 E; [- ~% T3 F- G8 z0 d2 X D.the insects are gathering and moving in great speed.$ {" D) T) j2 q" Z
4.Which of the following is true?
5 z( _' w3 }% \ @1 U, z; _ A.Once the pesticides are used,locust will die immediately.
% H2 b$ X- h! |/ A& T! D B.Relief efforts are proved most fruitful due to the effectiveness of certain pesticides.
0 t0 S1 _$ z$ E C.Dieldrin, the most effective locust killer, has been widely accepted in many countries.! {8 B+ o: O$ S( t$ Y( I( c
D.Over 10 million acres of affected area will have been treated with locust-killing chemicals by the end of June.. H4 x' t# Y& R1 F% g5 f) ^2 o, k
5.The purpose for affected nations to meet in Algiers on May 30 is ___.
3 t) A8 ~! a6 ] A.to devise antilocust plans.
/ [6 Q2 ~7 X a" l' E B.to wipe out the swarms in two years.% f0 V# e2 ?4 }+ @1 I
C.to call out for additional financial aid from other nations.- a4 W7 G" S" s5 l
D.to bring the insects under control before the plague gets worse.
$ z6 ~5 U; W5 @( k6 @' w5 A 答案:BBADA |