皮皮学，免费搜题
登录
搜题
【单选题】
吉林省境内有丰富的矿产资源已探明的矿种共计五十八种占全省已探明储量七十一种的百分之八十一。有十种金属矿 是三种非金属矿,钼、镍为我国第( )大矿床A.
二
B.
一
C.
三
D.
四
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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】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...
相关题目：