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【判断题】
凝集试验包括直接凝集试验和间接凝集试验两类 。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】标注水平尺寸时,尺寸数字的字头方向应( ),标注垂直时,尺寸数字的字头方向应朝左,角度的尺寸数字一律( )书写.当任何图线穿过尺寸数字时都必须( ).
【简答题】We are obliged to them because some of these languages have since vanished, as the peoples who spoke them died out or became assimilated and lost their native languages.
【单选题】In 2009, Greece’s fiscal deficit was 16 percent of its GDP, and its debts were 130 percent of its GDP. What did Greece do in response to this situation?
A.
Greece had to borrow money from the Federal Reserve System in the U.S.
B.
Greece had to issue new bonds to raise money to pay its debts relying on the credit of the EU rather than on its own credit.
C.
Greece decided that it could not afford to borrow money to pay its debts because the interest rate it would have to pay was so much more than other EU countries were paying.
D.
Greece decided that it had to increase its GDP and adopted a series of measures that required the expenditure of the equivalent of billions of U.S. dollars to improve its production efficiency.
【简答题】视图与物体的位置关系中,主视图反应物体的()和()。
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