A、
They extend their water pipes.
B、
They give out faint cries.
C、
They make noises to drive away insects.
D、
They become elastic like rubber bands.
【正确答案】
B
【答案解析】
A、
Thirsty plants.
B、
Well-watered plants.
C、
Quiet plants.
D、
Healthy plants.
【正确答案】
A
【答案解析】
A、
They could drive the insects away.
B、
They could keep the plants well watered.
C、
They could build devices to trap insects.
D、
They could make the plants grow faster.
【正确答案】
C
【答案解析】
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