填空题

The giant squid swimming in total darkness detects prey using __________________________.

【参考答案】

alternative light sources。
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填空题
The Japanese team thinks that research techniques similar to their own could be used to bring about more _______________________.
单项选择题
A．It’s hereditary.B．The shampoo he used caused it.C．He combs his hair too much.D．He is old enough to lose hair.
A．It’s hereditary.
B．The shampoo he used caused it.
C．He combs his hair too much.
D．He is old enough to lose hair.
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