【多选题】换热管与管板的焊接连接方式主要缺点有( )。
【单选题】The scholar has made another breakthrough in this field, __________ of great importance to the progress of science and technology.
D.
about which I think it is
【单选题】要改变静态构图内部镜头大小,可采用的调度方式是( )
【判断题】幼儿园 科学教育的内容的特色就是广泛,对内容不需要限制。
【单选题】高温下加载频率大时,对材料的疲劳强度影响是( )。
【单选题】西餐便餐摆台时,主餐叉的()方摆放面包盘。
【单选题】Tom is a scholar of ______. Particularly, he has ______ of world history.
A.
wide knowledge…a good knowledge
B.
a wide knowledge…good knowledge
C.
a wide knowledge…a good knowledge
D.
wide knowledges…a good knowledge