生活中处处有化学,下列说法不正确的是()。
Synonyms are words with ________ meanings.
Which of the following activities would help students develop the skill of extracting specific information?
下列关于电解质电离的叙述中,不正确的是()。
下列实验,说法正确的是()。
下列关于金属的说法中,不正确的是( )
下列有关金属的说法错误的是( )
What are the most important parts of a lesson plan?
______ aims to help students to pay attention to teaching contents efficiently at the beginning of the class.
以下关于必修课程和选修课程说法正确的一项是( )。