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【判断题】
提高混凝土的抗裂度，主要取决于钢筋的预拉应力值，要建立较高的预应力值，就必须采用较高强度等级的钢筋和混凝土。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】The exporter's country has an agreement __________ the importer's country to allow entry of certain products at lower tariffs.
A.
to
B.
with
C.
beside
D.
except
【简答题】某化合物的分子式为C 8 H 9 OCl，由 1 H-NMR图推断其结构。
【单选题】Many a teacher in o. ur school______aboard.
A.
have been
B.
has been
C.
have go
D.
has go
【简答题】按审计是否通知被审计单位分类,可分为_____和____。
【单选题】If a country has a trade deficit, does it indicate that the country has a serious problem?
A.
. No. Trade deficits occur when a country has higher investment spending relative to its level of saving.
B.
. Yes. Trade deficits occur when a country has low worker productivity.
C.
. Yes. Trade deficits occur when a country does not have comparative advantage in production.
D.
. Yes. Trade deficits occur when a country has high budget surplus.
【简答题】has served as the capital of the country?__________
【判断题】汽车维修企业的工艺文件按照其作用不同可以划分为维修工艺文件、质量检验工艺文件、配件管理工艺文件、设备管理工艺文件、岗位职责和技术要求工艺文件、维修生产流程控制工艺文件、返修纠纷投诉和索赔工艺文件等7大类。
A.
正确
B.
错误
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