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【单选题】
以聚合物为基础,加入(或不加)各种助剂和填料,经加工形成的塑性或刚性材料,称为()。A.
橡胶
B.
纤维
C.
塑料
D.
粘合剂
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皮皮学刷刷变学霸
举一反三
【单选题】John regretted very much ______ unkind things about his boss.
A.
to say
B.
to have said
C.
having said
D.
being said
【单选题】John regretted_to the meeting last week.
A.
not going
B.
not to go
C.
not having been going
D.
not to be going
【单选题】女性，29岁，婚后5年未孕，幼时患过肺结核性胸膜炎，已治愈，月经规律，妇检未 见异常，月经前诊刮为分泌期子宫内膜，男方精液常规在正常范围内，进一步检查首先考 虑( )
A.
腹腔镜检查
B.
内分泌检查
C.
X线腹部平片
D.
输卵管碘油造影
E.
官腔镜检查
【简答题】John regretted ________ to the meeting last week. A) not going B) not to go C) not having been going D) not to be going
【单选题】John regretted（）ashore yesterday.
A.
not going
B.
not having been going
C.
not to go
D.
not to be going
【简答题】John regretted very much____________(对老板说了不该说的话).
【简答题】女性,29岁,婚后5年未孕,幼时患过肺结核性胸膜炎,已治愈,月经规律,妇检未见异常,月经前诊刮为分泌期子宫内膜,男方精液常规在正常范围内,进一步检查首先考虑A. 腹腔镜检查 B. 内分泌检查 C. X线腹部平片 D. 输卵管碘油造影 E. 官腔镜检查
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