It has been proved that the chemical islethalto rats but safe for cattle.
A: fatal
B: reactive
C: unique
D: vital
A: fatal
B: reactive
C: unique
D: vital
A
举一反三
- The chemical is deadly to rats but safe to cattle.() A: fatal B: hateful C: good D: useful
- The chemical is lethal to rats but safe to cattle. A: toxic B: harmful C: deadly D: contagious
- Which of the following livestock has the biggest number in the UK?（） A: ABeef cattle. B: BDairy cattle C: CChicken. D: DSheep.
- 18.The new drug will not be put on the market ____ it has proved safe on humans.
- The new drug will not be put on the market______ it has proved<br/>safe on humans. A: if B: until C: since D: when
内容
- 0
Since 1939, numerous scientific studies ______. A: proved smoking causes fatal diseases B: proved smoking causes life-shorting diseases C: proved smoking is a health risk D: had been made to prove whether smoking causes life shorting
- 1
It has been proved what the brains of men and women are not entirely the same.
- 2
11.The police ______ ready to kill the two cattle which ______ been bought from the nearby market. A: are…have B: are…has C: is…has D: is…have
- 3
The old methods have ____the best of all. A: been proved being B: been proved to be C: proved being D: proved as
- 4
No effective ______ has been found for this fatal disease which claims thousands of lives each year.