促使青少年健康成长的关键是()
A、良好的情绪
B、强烈的好奇心
C、健康的大脑和神经系统
D、正确的人生观
参考答案:D
用所给词的适当形式填空。
1. Look, some girls _________ (dance) over there.
2. Some students _________ (sit) under the tree, they are talking happily.
3. Eric often _________ (have) bread and milk for breakfast.
4. What _________ your mother _________ (do) yesterday?
5. I_________ (forget) to give him the key.
霍奇金淋巴瘤的R-S变异型细胞不包括()
A.朗汉斯巨细胞
B.单核型R-S细胞(H细胞)
C.腔隙型R-S细胞(陷窝R-S细胞)
D.淋巴组织细胞型(L&H)细胞
E.多核性R-S细胞