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【单选题】
以下说法错误的是( )。A.
由两个或两个以上的基本几何体构成的物体称为组合体
B.
两形体的表面彼此相交称为相切
C.
用一截平面截切球的任何部位,所形成的截交线都是圆
D.
叠加类组合体分为相错、相切、三种
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举一反三
【单选题】John’s pale face suggested that he ______ill, and his parents suggested that he ______a medical examination.
A.
be, should have
B.
was, have
C.
should be, had
D.
was, has
【单选题】Jane’s pale face suggested that she ____ ill，and her parents suggested that she ____ a medical examination.
A.
be；should have
B.
was；have
C.
should be；had
D.
was；has
【单选题】What is suggested about the dental cleaning appointment?
A.
The treatment lasts for less than one hour.
B.
The examination is performed by a dental surgeon.
C.
The cost of screening is additional.
D.
All the patients will receive only a fluoride treatment.
【简答题】双命名法规定，每个物种的科学名称由两部分组成，第一部分是______，第二部分是______．
【单选题】The boy suggested that Tom ______ the problem another way, and Tom’s expression suggested that he_________.
A.
should solve; agreed
B.
solve; agree
C.
solved; should agree
D.
solved; agreed
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