Firstletonestudentreadthesentencesandtrytoknowthemeaningofthem.Thenlistentothe tapethreetimesandfindtheanswers. Answers: Step6FinishLeamningTask3. 选择恰当的单词或短语完成下列句子。 |junkfood,coffee,health,howoften,howmany junkfood,coffee,health,howoften,howmany (1)Eatinglotsoffruitandvegetablesisgoodfor...
Ticks have a unique sensory structure located exclusively on the 1st pairs of legs; the fore-tarsal Haller's organ, not found in any other animals, presumed to function like the insect antennae in chemosensation but morphologically very different. The mechanism of tick chemoreception is unknown. ...