单项选择题

Why is lead poisoning a new problem for condors

A．Hunters shoot condors.
B．Puppet rearing practices have caused it.
C．Hunter's bullets contain lead which poisons the meat condors eat.
D．They never used to like lead.

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热门试题

单项选择题

What is one suggestion to help save the condors

A．Let all condors free.
B．Don't allow anyone to hunt.
C．Make hunters use different kinds of bullets.
D．Move the condors out of California.

单项选择题

If the condor population has tripled since two decades ago, about how many are there now

A．90.
B．60.
C．33.
D．300.