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【单选题】
交换式局域网的核心设备是( )A.
路由器
B.
交换机
C.
集线器
D.
网桥
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】If a person stays in a modern hotel with latest comforts for a night______.
A.
he will become poor
B.
he has to pay a lot of money
C.
he has to spend all the money he was in the bank
D.
he has to pay some money
【单选题】I ______ my son ______ a doctor, but he wasn't good enough at chemistry. [ ]
A.
had hoped; would become
B.
had hoped; to be
C.
hoped; would become
D.
hoped; to be
【简答题】听下面一段对话，回答第1至第3三个小题。 1.What's Frank planning to do? [ ] A.Move to a big city. B.Become a teacher. C.Go back to school. 2.Why is Frank back from New York? [ ] A.He couldn't get used to living t...
【简答题】（4）12月15日用银行存款支付6日所购原材料的价款60 000元。
【单选题】He worked hard, ____ a skilled doctor. [ ]
A.
aimed at becoming
B.
aiming in becoming
C.
aiming becoming
D.
aiming to become
【简答题】国破山河在,城春草木深。 感时花溅泪,恨别鸟惊心。 烽火连三月,( ) 白头搔更短,浑欲不胜簪。
【多选题】下列关于桥梁侧剖面图的绘制步骤与方法的说法中，正确的是（）。
A.
侧剖面图是由两个不同位臵剖面组合构成的图样，反应桥台及桥墩两个不同剖面位臵
B.
用中实线绘制未上主梁及桥台未回填土情况下的桥台、盖梁平面图，并标注相关尺寸
C.
左半部分图样反应桥墩位臵横剖面，右半部分反映桥台位臵横剖面
D.
左半部分图示出桥台立面图样、尺寸构造等
E.
右半部分图示出桥墩及桩柱立面图样、尺寸构造
【单选题】. ---Is Bob still performing? ---I’m afraid not. He is said ______ the stage already as he has become an official.
A.
to have left
B.
to leave
C.
to have been left
D.
to be left
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