【单选题】In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are...
A.
can always be accurately identified
B.
have usually left some traces
C.
can usually be reconstructed
D.
have always vanished without any trace
【单选题】In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are...
A.
can always be accurately identified
B.
have usually left some traces
C.
can usually be reconstructed
D.
have always vanished without any trace
【判断题】安全标示牌中的绿色表示的是指令标志。( )
【单选题】建筑安全标志中用于表示指令的颜色是( )
【单选题】___________________ ( )54.
【判断题】作者登上万寿山,站在佛香阁的前面,向东远眺看到的是朱红的宫墙。()
【单选题】In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are...
A.
can always be accurately identified.
B.
have usually left some traces.
C.
can usually be reconstructed.
D.
have always vanished without any trace.