1.数轴上,-3与3之间的整数共有( )个.
0 308614 308622 308628 308632 308638 308640 308644 308650 308652 308658 308664 308668 308670 308674 308680 308682 308688 308692 308694 308698 308700 308704 308706 308708 308709 308710 308712 308713 308714 308716 308718 308722 308724 308728 308730 308734 308740 308742 308748 308752 308754 308758 308764 308770 308772 308778 308782 308784 308790 308794 308800 308808 366461
| A. | 2 | B. | 3 | C. | 5 | D. | 6 |