听力5是怎么得的结论哦???
语法第11题 In jazz music, a riff is a simple melodic figure, _________ and repeated several times.
(A) usually one or two measures lasted
(B) lasted one measure or two usually
(C) is lasting one or two measures usually
(D) usually lasting one or two measures
语法12 at its center,the sun has a density of over a hundred times__and a temperature of 10 to 20 million degree centigrage
A) that of water; B)of water; C)than that of water; D)water
为什么选A!!!!!!????
阅读的26,27是怎么找出来的啊,高人分析下好吗
Pasteur concluded that the organisms found in putrefying materials originated
from the organized bodies present in the air .He postulated that these bodies are
constantly being deposited on all objects.