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【简答题】
听录音,填空。 1. Where does she come from? She comes from ______________. 2. Where does the rain come from? It comes from ______________. 3. What should you do then? Water the ______________.
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参考答案:
举一反三
【单选题】用特殊方法把固体物质加工到纳米级(1nm-100nm)的超细粉末粒子,然后制得纳米材料.下列分散系中的分散质的粒子的大小和这种纳米粒子大小具有相同的数量级的是( )
A.
B.
浊液
C.
D.
浊液
【单选题】用特殊方法把固体物质加工到纳米级(1~100 nm,1 nm=10 -9 m)的超细粉末粒子,然后制得纳米材料.下列分散系中的分散质的微粒直径和这种粒子具有相同的数量级的是 [     ]
A.
溶液
B.
悬浊液
C.
胶体
D.
乳浊液
【简答题】I can ________ some noise while I’m studying, but I can’t stand loud noises. A) come up with B) catch up with C) put up with D) keep up with
【单选题】I can ______ up with some noises while I'm studying,but I can't stand loud noises.
A.
come
B.
catch
C.
put
D.
keep
【单选题】How did I answer the dentist-s questions?A.I nodded or made strange noises.B.I didn
A.
22. How did I answer the dentist-s questions? A.I nodded or made strange noises.
B.
I didn-t say anything.
C.
I answered the dentist's questions loudly and clearly.
【单选题】用特殊方法把固体物质加工到纳米级 (1nm~100nm) 的超细粉末粒子,然后制得纳米材料.下列分散系中的分散质粒子的大小和这种纳米粒子大小具有相同的数量级的是
A.
溶液
B.
悬浊液
C.
乳浊液
D.
胶体
【单选题】用特殊方法把固体物质加工到纳米级(1-100 nm)的超细粉末粒子,然后制得纳米材料。下列分散系中的分散质粒子的大小和这种纳米粒子大小具有相同数量级的是 [     ]
A.
溶液
B.
浊液
C.
胶体
D.
沉淀
【单选题】用特殊方法把固体物质加工到纳米级(1~100nm,1nm=10 -9 m)的超细粉末粒子,然后制得纳米材料。下列分散系中的分散质的微粒直径和这种粒子具有相同数量级的是 [     ]
A.
溶液
B.
悬浊液
C.
胶体
D.
乳浊液
【单选题】I can ______ some noise while I'm studying, but I can't stand loud noises.
A.
come up with
B.
catch up with
C.
put up with
D.
keep up with
【单选题】I couldn't go to sleep last night because I heard loud _____ outside all the time.
A.
noises
B.
voices
C.
sounds
D.
smells
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