If nothing is done to protect the environment, millions of spiders that are alive today will have become ________.
A: A deteriorated
B: B degenerated
C: C suppressed
D: D extinct
A: A deteriorated
B: B degenerated
C: C suppressed
D: D extinct
举一反三
- If nothing is done to protect the environment, millions of species that are alive today will have become （） A: deteriorated B: degenerated C: suppressed D: extinct
- If<br/>nothing is done to protect the environment, millions of species<br/>that are alive today will havebecome _________. A: deteriorated B: degenerated C: suppressed D: extinct
- If nothing is done to protect the environment, millions of spiders that are alive today will have become ________.
- Every ten minutes, one kind of animal, plant or insect______ for ever. If nothing is done about it, one million species that are alive today will have become extinct twenty years from now.
- Relations between the two countries have ______ since the agreement was signed. A: deteriorated B: degraded C: degenerated D: decayed