【多选题】目前国内外关于教学系统设计的观点有( )
【单选题】Have you considered how to get there? Here 'considered' means _____? [ ]
【判断题】小麦的初生根 、次生根分别属于定根 、不定根 。( )
【判断题】烧结黏土砖有红砖和青砖之分,若烧结时窑内为氧化气氛,则烧出的为青砖;若烧结时,窑内为还原气氛,则烧出的为红砖。
【单选题】The students __________ to be hardworking students. A. are considered B. consider C. considering D. have considered
【单选题】马铃薯的块茎上凹陷处的芽窝,生长出的芽属于( )
【多选题】属于直根系的有( )。A.定根 B.不定根 C.主根 D.侧根 E.纤维根
【单选题】吞噬能力很强,能变形运动、捕捉、吞噬、处理和传递抗原,发挥免疫作用的细胞是( )
【单选题】We are classmates. We are ____ to help each other. [ ]