【单选题】What should all countries do to help solve the problem of global warming?
A.
They should replace all the harmful substances.
B.
They should willingly undertake legal commitments about their energy uses.
C.
They should hold another world conference on climate change.
D.
They should provide advanced technology.
【单选题】当物体移到 100米远处,视网膜上的像相应缩小,但是我们知道该物体的大小没有太大变化,称为 ( ) 。
【单选题】当物体移到 100米远处,视网膜上的像相应缩小到距我们1米远时大小的1/100,但是我们知道该物体没有太大变化,这种现象称为
【单选题】Emails and telephone calls should be responded to :
A.
The same day that they are received.
【单选题】【2012年济宁市市属真题】当物体移到100米远处,视网膜上的像相应缩小到距我们1米远时大小的1/100,但是我们知道该物体的大小没有太大变化,这种现象称为( )。
【单选题】当物体移到100米远处,视网膜上的像相应缩小到距我们1米远时大小的1/100,但是知道该物体的大小没有太大变化,称为
【单选题】The tone of your emails should be _________.
B.
Can be rude if it is not a client
C.
Bossy and rude if you are writing to junior colleagues