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【简答题】
结肠和盲肠有三种标志性的形态特征,即____、____和____。
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举一反三
【简答题】Complete the following sentences with the words or phrases given below. Change the form if necessary. 1. This restaurant is an excellent place for ______________ business guests. 2. It ______________ ...
【单选题】等温地吹出一个直径0.05m的肥皂泡, 则肥皂泡内外的压强差为( ) (肥皂泡的表面张力系数为0.025N/m )
A.
2 Pa
B.
4 Pa
C.
8 Pa
D.
1 Pa
【简答题】请选出正确的选项。 1.It was _____ opportunity to miss. A. too good an B. a too good C. too a good D. too good 2. I don ’ t like it at all. It can ’ t be _____. A. better B. worse C. best D. worst 3. There was ...
【单选题】He said, “ Don ’ t do that again. ” He ____ me ______ that again.
A.
said to me; not do
B.
said to me; don ’ t do
C.
told me; don ’ t do
D.
told me; not to do
【单选题】已知某肥皂水的表面张力为 0.025 N/m，则由该肥皂水形成的直径为 1 cm 的肥皂泡的内外压力差为
A.
2.5 Pa
B.
5 Pa
C.
10 Pa
D.
20 Pa
【简答题】用非谓语动词填空 1.On my way home , I stopped ( buy ) some food. 2.I � m afraid they would not allow him ( study ) here. 3.We are ( set ) up another middle school for the peasants � children. 4.We were astoni...
【简答题】肥皂泡的半径为 r ,表面张力为 s ,则肥皂泡内外压力差 D p = _________ 。
【简答题】5 Fill in the blanks with suitable prepositions or adverbs. 1. I like this market most, because all the fruits and vegetables, shaded by umbrellas, are laid ________ so nicely. 2. He said, politely an...
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