I today's newspaper, but I found nothing new.
A:looked up
B:looked through
C:looked like
D:looked after
当导线中分别通以图示方向的电流,小磁针静止时北极指向读者的是( )
某学校化学兴趣小组的同学们在实验室发现一瓶石灰水试剂瓶瓶壁和瓶塞周围有一些白色粉末.为了弄清楚白色粉末的成分及形成原因,他们进行了如下探究:
【提出问题】白色粉末成分的猜想和成因分析.
—_______ beautiful city!
—Yes. Lots of tourists come to visit it every year.
(I)市政府东面300米的处有一条健康路,它与工农路平行.
(II)育才小学在市政府北偏西75°方向400米处.