officials in the us state of washington have said (1) people are known to have died when a (2) plunged over a bridge and (3) onto a motorway below. about a (4) others have been taken to (5) .
3、下列个人理财规划与哪些类型的理财目标有关?
the following pairs of sentences are exactly the same except for one word. you will hear either sentence (a) or (b). choose the one you hear.
媒介融合是基于( )的个性化的传播,单一受众的个性需求受到重视,在融合的终端,用户才是传播的主人。
样品抛光时的转盘速度越快越好。
用户与传统受众比较,表现为以下的特点( )。
使用能谱仪进行元素分析时,探测器收集的信号为
如果布氏硬度的压痕直径d与压头直径d的比值小于0.25,需要重新选择压头和载荷进行测量吗?
the following pairs of sentences are exactly the same, except a different word is stressed (stronger) in each sentence. choose the sentences you hear in each group.
布氏(hb)硬度试验规定常数k=_______________
how long does it need to learn to fly the maverick?