中学生心理健康的核心是[ ]
A.身体健康
B.心情愉快
C.成绩优异
D.以上三项都是
答案:B
根据句义和首字母完成下列单词。
1. The sixth month of the year is J .
2. The seventh month of the year is J .
3. The eighth month of the year is A .
4. The ninth month of the year is S ________.
5. The tenth month of the year is O .
6. The eleventh month of the year is ________.
保护期7年的是()
A.一级保护的野生药材物种
B.二级保护的野生药材物种
C.中药一级保护品种
D.中药二级保护品种