【单选题】Last winter, it snowed ______ but not enough for skiing.
【简答题】Since the ground is white, it _______________ last night. (had snowed, must have snowed)A. must have snowed
【单选题】要求高耐磨和高疲劳强度的精密零件,或要求一定耐蚀性的零件,热处理工艺可采用( )。
【单选题】教师通过口头语言向幼儿解释和说明知识、材料、规定、要求等的教学方法是( )。
【单选题】It snowed last winter.
B.
No.It's an announcement.
E.
No. It has more than one idea.
F.
Yes. It's a good thesis statement.
【单选题】教师通过口头语言向幼儿解释和说明知识、材料、规定、要求等的一种教学方法是( )。