“探究光对鼠妇生活的影响”的实验过程中，光是这个实验的变量。 [ ]
√
治疗急性非淋巴细胞白血病（）
A.DA
B.CHOP
C.苯丁酸氮芥
D.MOPP
E.维A酸
Up to now, the program______thousands of children who would otherwise have died.
A. would saveB. savesC. had savedD. has saved
