Chemical leaks have had a ____effect on wildlife. (disaster)
举一反三
- If we had received your L/C,we （） shipment． A: will effect B: have effect C: would have effected D: had effected
- ______, the damage would be incalculable. A: Should such a disaster occur B: If such a disaster had occurred C: Had such a disaster occurred D: If such a disaster should be occurred
- If the police had acted with more ____________, the disaster could have been prevented. A: solution B: determination C: decision D: hesitation
- ________ the roof leaks, you have a serious problem.
- The conference has been held to discuss the effect of tourism_________ the wildlife in the area. A: in B: on C: at D: with