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【单选题】
根据《测绘标准化工作管理办法》，测绘国家和行业标准化指导性技术文件发布后( )年内必须复宙A.
一
B.
二
C.
三
D.
四
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【简答题】>Trump impeached by US House 遭美众议院 Donald Trump on Wednesday became the __1__ US president to be impeached as the House of Representatives formally charged him with abuse of power and obstruction...
【简答题】Today's Social Security programhas its roots in the Great Depression of the 1930s. With ____1____ unemployed,many Americans lived in poverty, and many elderly workers lost all theirpension funds when ...
【简答题】直杆的两个主要的几何因素为(__)和,(__),
【简答题】用于电气图样或其他文件以表示一个设备或概念的图形、标记或( ),统称为电气图形符号 图形符号的含义和组成 图形符号通常由基本符号、一般符号、符号要素和限定符号等组成。 (1)基本符号:基本符号只用以说明电路的某些特征,而并不表示独立的( )或元件。 (2)一般符号:是用于表示一类或此类产品特征的一种通常很简单的符号。 (3)符号要素:一种具有确定意义的( ),必须同其...
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【单选题】To review and assess achievements and summarize and exchange experience______the task of our present Congress.
A.
are
B.
is
C.
were
D.
have been
【单选题】Which of the following statements is NOT correct?When the War of Independence was over, ___.
A.
each new state had its own government.
B.
each new state made its own laws and handled all of its internal affairs.
C.
the national government was called the Congress with little power.
D.
the relationships between the states and the national government were clearly defined.
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