TOEFLReading
Complete the Words
补全段落中缺失的字母。每个下划线（_）代表一个缺失的字母。请为每一项输入完整的单词。
主题： How bats find insects with echolocation已填 0 / 10 空
Most bats hunt at night, when their eyes are of limited use, so many species find food by listening instead. A bat (1)se___ out short, (2)hi__ (3)ca___ and (4)th__ (5)lis____ for the (6)ech___ that (7)bou___ (8)ba__ from (9)nea___ (10)obj____. By timing how long each echo takes to return, the bat can work out how far away an insect is and even which way it is flying. Using this skill, some bats catch hundreds of small insects in a single night, all in complete darkness.
Words to complete:
#1
se___
#2
hi__
#3
ca___
#4
th__
#5
lis____
#6
ech___
#7
bou___
#8
ba__
#9
nea___
#10
obj____