下列实验操作或装置正确的是[ ]
A.
B.
C.
D.
答案：C
In our city, almost everyone is _______bringing down the housing price because it is too high for them to buy one.
A．in honor of
B．in search of
C．in need of
D．in favor of
对于蠕形螨的描述，下列哪一项是正确的
A．可经卵传递B．可引起过敏反应C．生活史中分卵、幼虫、前若虫、若虫和成虫五期D．属不完全变态E．成虫有3对足
