A:(1)(2)(3)/(4)(5)(9)/(6)(7)/(8)
B:(1)(3)(6)(7)/(2)(4)(5)/(8)/(9)
C:(1)(3)(6)(7)/(2)(5)(9)/(4)/(8)
D:(1)(3)(6)(7)/(2)(5)(8)/(4)/(9)
根据短文内容判断下列句子正误。
There is a zoo near our village.There is a forest in the zoo.There are many animals in the forest.Look! There is a tiger.It's running.Some birds are in the trees.They are singing.Here comes a bear.It's walking.Oh! Look at the monkeys.They are climbing trees.How cute they are! And some rabbits are playing with each other under a big tree.
用经济、简便的方法鉴别硫酸铜、碳酸钠、氢氧化镁三种白色固体粉末,应选用的—种试剂是____。
有关纬线和纬度的说法正确的是