—I don't care what people think.
—Well, you ___. You're not alone in this world.
A:can
B:may
C:should
D:will
名著阅读。
在甲实验中,测得拉力F甲=4N,在乙实验中,测得拉力F乙=5N.
近年来,美国多次发现带有炭疽杆菌芽孢的信件,你知道炭疽杆菌属于( )