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【多选题】
调研报告经常利用( )将调查结果出来。A.
文字
B.
数据分析
C.
图表
D.
领导批示， 视频图像
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【简答题】I have been teaching in the United States for three semesters. During this time, I have been very impressed with the hardworking American students. Tuition fee (学费) in American universities are pretty...
【单选题】I have been very lucky to have won the Nobel Prize twice, It is, of course, very exciting to have such an important【C1】______of my work. but the real pleasure was in the work itself. Scientific resear...
A.
recognition
B.
acknowledgement
C.
realization
D.
assessment
【简答题】二极管的伏安特性指电压和 关系,当正向电压超过 后,二极管导通。正常导通后,二极管的正向压降很小,硅管约为 V,锗管约为0.2V。
【简答题】从二极管的伏安特性曲线可知,二极管加()电压 ,并大于门槛电压时,二极管导通。导通时的正向压降硅管约为()伏,锗管约为()伏。
【简答题】Dear Mom and Dad, I'm afraid I have some very bad news for you. I have been very naughty and the school is very angry with me. She is going to write to you. You must come and take me away from ...
【简答题】对金属制品进行抗腐蚀处理，可延长其使用寿命。 （1）以下为铝材表面处理的一种方法： ①碱洗的目的是除去铝材表面的自然氧化膜，碱洗时常有气泡冒出，原因是_____________________ （用离子方程式表示）。为将碱洗槽液中的铝以沉淀形式同收，最好向槽液中加人下列试剂中的____。 a．NH 3 b．CO 2 c．NaOH d．HNO 3 ②以铝材为阳极，在H 2 SO 4 溶液中电解，铝材...
【简答题】I have been very lucky to have won the Nobel Prize twice. It is, of course, very exciting to have such an important recognition of my work, but the real pleasure was in the work itself. Scientific res...
【单选题】I needn’t remind you of that terrible tie. You don’t want me to ________ that terrible tie.
A.
recall you
B.
remember you
C.
memories you
D.
make you remember
【简答题】Dear Mom and Dad , I'm afraid I have some very bad news for you . I have been very naughty（淘气的） and the school is very angry with me . She is going to write to you . You must come and take me a...
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