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【简答题】
由于内能的变化值只与 有关,与途径无关,因此内能是 。
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皮皮学刷刷变学霸
举一反三
【单选题】— Look! Our teacher has ________ tense expression on her face. — So she does. It seems that ________ news is true. [ ]
A.
a; /
B.
a; the
C.
the; /
D.
the; a
【单选题】She was so angry that her face was ______of blood.
A.
dropped
B.
drained
C.
spilt
D.
dripped
【单选题】She always has a smile on her face. What makes her so ? [ ]
A.
happily
B.
happy
C.
sad
D.
unhappy
【简答题】Her face radiated sourness and ______ (selfish).
【简答题】He was __________ give her a blow to the face. [A] so angry that [B] such angry as to [C] such angry that [D] so angry as to
【单选题】There was a _________ look on her face so I repeated the question.
A.
puzzled
B.
puzzling
C.
puzzle
D.
puzzlement
【单选题】The teacher always ______ a smile on her face, so the students never feel_______. [ ]
A.
puts on; frightened
B.
wears; frightened
C.
puts on; frightening
D.
wears; frightening
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