问题
单项选择题
正常小儿白细胞分类中淋巴细胞与中性粒细胞的比例变化有2次时间交叉,是指
A.1~3天及1~3个月
B.1~3天及1~3岁
C.4~6天及4~6个月
D.4~6天及4~6岁
E.4~6个月及4~6岁
答案
参考答案:D
正常小儿白细胞分类中淋巴细胞与中性粒细胞的比例变化有2次时间交叉,是指
A.1~3天及1~3个月
B.1~3天及1~3岁
C.4~6天及4~6个月
D.4~6天及4~6岁
E.4~6个月及4~6岁
参考答案:D
Passage Two
According to the woman, what happens to many people when they try to lift heavy things from the floor
A.They may lose the back part.
B.They may strain their muscles.
C.They may find it easier to lift one by one.
D.They may call someone to give a helping hand.