What did most people do when the city office first ordered them to kill rats A: They were too lazy to kill rats. B: They killed nearly all the rats very quickly. C: They stole dead rats.
What did most people do when the city office first ordered them to kill rats A: They were too lazy to kill rats. B: They killed nearly all the rats very quickly. C: They stole dead rats.
A deep hole was dug so that ________ . A: the rats couldn't come out to attack people at night B: people could take rats from it easily C: people would kill more rats D: nobody could take any rats from the<br/>pile
A deep hole was dug so that ________ . A: the rats couldn't come out to attack people at night B: people could take rats from it easily C: people would kill more rats D: nobody could take any rats from the<br/>pile
The little princess thought that the big rats and snakes are _______.
The little princess thought that the big rats and snakes are _______.
There are no black rats in Europe today because ______ took their places.
There are no black rats in Europe today because ______ took their places.
Such vermin as bugs and rats （is, are ）hard to get rid of.
Such vermin as bugs and rats （is, are ）hard to get rid of.
In one year rats eat 40 to 50 times __________ weight.
In one year rats eat 40 to 50 times __________ weight.
Hawks serve an important purpose in the scheme of nature ______ on destructive rodents, such as mice and rats. A: by preying B: in order that preying C: that they prey D: than to prey
Hawks serve an important purpose in the scheme of nature ______ on destructive rodents, such as mice and rats. A: by preying B: in order that preying C: that they prey D: than to prey
Rats aged 1, 2, 12, 18 and 24 months were ( ) by decapitation.
Rats aged 1, 2, 12, 18 and 24 months were ( ) by decapitation.
In some cultures, rats and butterflies are considered perfectly ______ while in other cultures, they are considered inedible.
In some cultures, rats and butterflies are considered perfectly ______ while in other cultures, they are considered inedible.
The chemical is lethal to rats but safe to cattle. A: toxic B: harmful C: deadly D: contagious
The chemical is lethal to rats but safe to cattle. A: toxic B: harmful C: deadly D: contagious