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【简答题】
汽车空调的基本组成和类型
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】关于牙颌面畸形的叙述哪项是错误的（ ）
A.
牙颌面畸形患者必然存在错
B.
正颌外科是以研究和诊治牙颌面畸形为主要内容的学科
C.
常见的颌骨发育畸形包括过度发育与发育不足两大类
D.
畸形可以是对称的或不对称的
E.
错 完全可以反映和代表牙颌面畸形基本的病变特征
【单选题】I _______my English book at home, so I had to ____one from my classmate.
A.
forgot ;lend
B.
forgot; borrow
C.
left; lend
D.
left; borrow
【单选题】I my homework yesterday, but unfortunately I forgot about it totally.
A.
need have handed in
B.
should have handed in
C.
must have handed in
D.
may have handed in
【单选题】I _____ my homework at home this morning. [ ]
A.
forgot
B.
have forgotten
C.
leave
D.
left
【单选题】—Where ______ you ______ Elsa? —At the supermarket. But she almost forgot my name. [ ]
A.
have; seen
B.
did; see
C.
will; see
D.
have; see
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