[电大作业] I tried to ________ him at his office but he wasn' 日期:2021-05-22 10:30:15 点击:114 好评:0
(单选题)1: I tried to ________ him at his office but he wasn't in. A: touch B: contain C: contact D: contract ...
[电大作业] His father is the British_____ to Japan. 日期:2021-05-22 10:29:46 点击:178 好评:0
(单选题)20: His father is the British_____ to Japan. A: ambassador B: ambulance C: ambition D: embarrass ...
[电大作业] She &n 日期:2021-05-22 10:29:20 点击:70 好评:0
(单选题)14: She the queue and waited for her turn. A: jumped B: joined C: kicked D: was ...
[电大作业] _____ all her other qualifications. Mary was an excellent co 日期:2021-05-22 10:28:53 点击:189 好评:0
(单选题)8: _____ all her other qualifications. Mary was an excellent cook. A: except B: in addition to C: besides D: except for ...
[电大作业] The map _____ China is ______ the wall ________ our classroo 日期:2021-05-22 10:28:27 点击:143 好评:0
(单选题)2: The map _____ China is ______ the wall ________ our classroom. A: in, of, on B: of,on,in C: of,on,of D: of,of,on ...
[电大作业] 因电介质的性质不同使得电介质的极化过程也不同,电介质的极化过 日期:2021-05-22 10:27:28 点击:59 好评:0
(单选题)4: 因电介质的性质不同使得电介质的极化过程也不同,电介质的极化过程通常可被划分为两大类。它们分别被称为: A: 取向极化和位移极化 B: 有极极化和无极极化 C: 分子极化和位移极化 D: 取向极化和分子极化 ...
[电大作业] 在相同的温度和压强下,各为单位体积的氢气与氧气的内能之比与各 日期:2021-05-22 10:26:34 点击:134 好评:0
(单选题)6: 在相同的温度和压强下,各为单位体积的氢气与氧气的内能之比与各为单位质量的氢气与氧气的内能之比分别为: A: 16 :1,1 :1 B: 1 :1,16 :1 C: 1 :1,32 :1 D: 1 :1,8 :1 ...
[电大作业] 用水平力FN把一个物体压着靠在粗糙的竖直墙面上保持静止。当FN逐 日期:2021-05-22 10:26:11 点击:131 好评:0
(单选题)20: 用水平力FN把一个物体压着靠在粗糙的竖直墙面上保持静止。当FN逐渐增大时物体所受的静摩擦力的大小: A: 不为零,但保持不变。 B: 随FN成正比地增大。 C: 开始随FN增大,达到某一最大值后保持不变。 D: 无法确定。 ...
[电大作业] 一圆形导体线圈,在匀强磁场中运动有下列几种情况:(1)线圈沿 日期:2021-05-22 10:25:17 点击:77 好评:0
(单选题)2: 一圆形导体线圈,在匀强磁场中运动有下列几种情况:(1)线圈沿磁场方向平移。 (2)线圈沿垂直于磁场的方向平移。(3)线圈以自身的直径为轴转动,轴与磁场方向平行。(4)线圈以自身的直径为轴转动,轴与磁场方向垂直。以上情况能产...
[电大作业] 爆炸伤害类型主要包括:() 日期:2021-05-22 10:24:29 点击:180 好评:0
(多选题)20: 爆炸伤害类型主要包括:() A: 爆震伤 B: 爆烧伤 C: 爆碎伤 D: 有害气体中毒 ...