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【简答题】
如图是研究液体压强规律的实验. (1)老师在空心玻璃管一端套上橡皮膜,并内注入适量的水(如图甲),你观察到的现象是 __ _ ,这说明:__ __ . (2)如图压强计,将压强计的橡皮膜放入液体中,为了使U形管两端液面高度差更大,你认为U形___.(填字母) A.注入酒精 B.注入水银 C.用内径更细的U形管 (3)小明认为,不用压强计用图丙装置同样可以探究液体内部压强.具体操作是:将玻璃管中的水倒出,将有橡皮膜的一端向下竖直放入液体中,随着橡皮膜所在深度的改变,橡皮膜的凹陷程度也随之发生变化(如图丙).对比压强计,你认为上述探究装置两大主要缺陷表现在: 1 __ __ ; 2__ .
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【单选题】Finding the ______look on the student’ s face, the professor felt _____about his explanation.
A.
confusing, embarrassed
B.
confused, embarrassed
C.
confused, embarrassing
D.
confusing, embarrassing
【单选题】听力原文：M: Are you sure this is what I ordered? This looks like chicken salad to me. W: Oh. You ordered vegetarian food, didn't you? I'm sorry and I'll be right back with the right salad. Q: What does th...
A.
She has the right salad now.
B.
She dropped the man's food.
C.
She'll bring a vegetable salad.
D.
The chicken salad is sold out.
【简答题】请写出单词“think”的过去式。
【单选题】His (remark) (made) me (confusing); however, I (understood) later on.
A.
remark
B.
made
C.
confusing
D.
understood
【单选题】His ______ directions confused us we did not know which of the two roads to take.
A.
ambiguous
B.
complicated
C.
arbitrary
D.
intricate
【单选题】听力原文：W: The red and white shirt looks nice. M: Thank you, but I like green best. What color does the man like?
A.
Red and white.
B.
Green.
C.
Red.
【单选题】听力原文：M: Are you sure this is what I ordered? This looks like chicken salad. W: Oh, I'm sorry. You ordered the tuna salad, didn't you? I'll be right back with it. Q: What does the woman mean? (17)
A.
She wants to eat chicken salad.
B.
The chicken salad is gone.
C.
She dropped the man's food.
D.
She'll bring the tuna salad.
【简答题】Do you think or talk about the Internet all the time? " think " 的过去时___ (1) ___,过去分词 ___ (2) ____。
【简答题】His ________ directions confused us we did not know which of the two roads to take. A) ambiguous B) complicated C) arbitrary D) intricate
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