【单选题】以下属于解理断裂微观断口特征的是( )。
【简答题】Many new s have been designed to (play) ______ on the computer. People of all ages have been playing them.
【简答题】根据句意,用所给动词的适当形式填空。 小题1:—The jeans look so nice. Do you mind me ___________ (try) them on? —Of course not. Go ahead. 小题2:My watch doesn’t work and it needs ___________ (repair) as soon as possible. 小题3...
【简答题】光合作用是植物利用自身的(),将可见光转化成能量,驱动()和()合成有机物,并释放()的过程。
【简答题】模为___________的向量叫做单位向量。
【多选题】关于金属断裂形态特征描述正确的是( )。
C.
解离断裂断口平整,典型的河流花样、舌状花样和扇形花样
D.
晶界断裂断口呈纤维状,断口附近有宏观塑性变形
【简答题】The critics______(只有无情的批评) for the new play.