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【单选题】
STC15F 单片机中, 8 位数据位可变波特率的通信应采用 _______ 。A.
方式 0
B.
方式 1
C.
方式 2
D.
方式 3
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举一反三
【简答题】Who is it up ____ decide whether to go or not? A. to to B. to C. for to D. to for
【单选题】Grammar workshop Countable and uncountable nouns Find the following words in the reading passage and decide whether they are countable (C) or uncountable (U). excellence
A.
C
B.
U
【单选题】It is()for us to try to decide whether television is a blessing or a curse.
A.
general
B.
essential
C.
illegal
D.
successful
【单选题】“纳米材料”是指粒子直径在几纳米到几十纳米的材料。如将“纳米材料”分散到液体分散剂中，所得分散系的有关说法正确的是
A.
是纯净物
B.
有丁达尔现象
C.
能通过过滤的方法得到纳米材料
D.
所得物质一定为悬浊液或乳浊液
【单选题】Grammar workshop Countable and uncountable nouns Find the following words in the reading passage and decide whether they are countable (C) or uncountable (U). training
A.
C
B.
U
【多选题】“纳米材料”是指粒子粒度在几纳米到几十纳米的材料，如将“纳米材料”分散到液体分散剂中，所得的混合物具有的性质是 [ ]
A.
能全部透过滤纸
B.
有丁达尔效应
C.
所得液体一定能导电
D.
所得物质一定味悬浊液或乳浊液
【单选题】Grammar workshop Countable and uncountable nouns Find the following words in the reading passage and decide whether they are countable (C) or uncountable (U). responsibility
A.
C
B.
U
【单选题】Grammar workshop Countable and uncountable nouns Find the following words in the reading passage and decide whether they are countable (C) or uncountable (U). work
A.
C
B.
U
【简答题】The media can decide where to place a story and whether to cover it and_______.
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