A:took along; with the hope
B:took over; in the hope of
C:took; in hope that
D:took along; in the hope of
下列有关细胞膜的叙述中不正确的是( )
下列四幅图中,螺线管接上电源后,小磁针静止时的指向错误的是( )
人们要特别重视河流上、中游地区植被的恢复、保护以及水土流失的治理,是因为( )