下列哪种情况属于内分泌现象
A.胃底腺分泌盐酸B.甲状旁腺分泌甲状旁腺素C.腮腺分泌唾液D.杯状细胞分泌黏液E.肝脏分泌胆汁
参考答案:B
If _______ in class, you will have to clean the classroom for a week as a punishment.
A.caught sleeping
B.caught to sleep
C.catching sleeping
D.to catch to sleep
艰苦卓绝的南方三年游击战争,福建是主要地区。当时十五个地区中福建占六个地区,有()多名红军游击队员改编为新四军,占当时新四军总人数近一半。
A、5000
B、6000
C、7000