发送紧急停车信号，井底车场的信号必须经由井口信号工转发，不得越过井口信号工直径向绞车司机发信号。（）
参考答案：错
胆南星的功效是
A．燥湿化痰、祛风止痉
B．祛顽痰、通窍开闭
C．温肺祛痰、清热散结
D．清化热痰、熄风定惊
翻译句子。根据括号内的中文提示，补全句子。(每空1分，共10分。)
小题1:There are many shops and restaurants _______ _______ (靠近) my home.
小题2:American students often _______ ________ (吃午饭) at school.
小题3:You must return the book ________ _________. (按时)
小题4:Let me ________ you _________ (领某人参观) my school.
小题5:The bookstore is ________ _________ (在对面) our school.
