队列的插入操作在【 】进行,删除操作在队头进行。
参考答案:队尾
解析:队列是先进先出的线性表,队列的插入操作在队尾进行,删除操作在队头进行。
把放置久了已经长出“芽”的马铃薯植入土中,可以继续生长成一株新植株.这种生殖方式属于( )
A.营养生殖
B.出芽生殖
C.有性生殖
D.分裂生殖
Experts believe that language learning is a process ______ skills are more important than grammar rules.
A.whose
B.when
C.of which
D.in which