皮皮学，免费搜题
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【单选题】
用水稀释0.l 的醋酸溶液，下列说法正确的是A.
醋酸的电离程度逐渐增大，溶液的PH值减小
B.
逐渐减小
C.
水的电离程度增大
D.
变大
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皮皮学刷刷变学霸
举一反三
【单选题】The sigh “No left turn" tells us "()
A.
Don't turn left
B.
Turn left
C.
Go straight
D.
Turn right
【简答题】W hat is machining accuracy? W hat does Machining precision includ e ?
【简答题】First turn left on the corner and then turn right ______ the fountain. a. in b. on c. at d. for
【多选题】W hat is an essay?
A.
An organized piece of writing
B.
centers around a single topic
C.
the length may vary
【单选题】- _ _ _. -I want a white hat.
A.
How much is a hat?
B.
Can I help you?
C.
Do you have a hat?
D.
What do you want to buy?
【单选题】When you see this sign, you ______.
A.
can turn left
B.
must turn right
C.
aren’t allowed to turn left or right
【单选题】--Where is the post office? --Just go straight and turn_____. It is _______.
A.
left; to the left
B.
left; on the left
C.
on the left; left
D.
left; left
【单选题】听力原文：W: Raise your hat a little bit and hold the saddle and smile a little. You look wonderful posing like that. Shall I press the shutter? M: Wait a minute. Let me put on a cowboy hat. Q: What are th...
A.
Riding a horse.
B.
Shooting a movie.
C.
Playing a game.
D.
Taking a photo.
【简答题】读读，画画。 1. Turn left 2. Turn right
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【简答题】First turn left on the corner and then turn right ______ the fountain. a. in b. on c. at d. for