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【单选题】
下列属于生态环境破坏问题的是
A.
生活污水
B.
大气污染
C.
荒漠化
D.
台风
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参考答案:
举一反三
【单选题】Finally , we went home together.
A.
At least
B.
At last
C.
At most
D.
At first
【判断题】在机床电气控制线路中,停止按钮是红色,按钮触点是常开的。( )
A.
正确
B.
错误
【单选题】Landslides and bad weather are continuing to ________ the arrival of relief supplies to the area.
A.
decrease
B.
increase
C.
hold on
D.
hinder
【单选题】The factory kept losing money finally went( )in that no one would buy itsproducts.
A.
bullish
B.
profitable
C.
broken
D.
receivable
【单选题】Landslides and bad weather are continuing to _______ the arrival of relief supplies to the area.
A.
facilitate
B.
exploit
C.
disrupt
D.
hinder
【单选题】Finally, careful prioritization is no alternative to the adequate ______ of the science base.
A.
funding
B.
including
C.
excluding
D.
expending
【单选题】妊高征患者发生抽搐时,首要的护理措施是
A.
使病人取头低侧卧位,保持呼吸通畅
B.
加床档,防止受伤
C.
观察病情,详细记录
D.
用舌钳固定舌头,防止舌咬伤及舌后坠,保持呼吸通畅
E.
置病人于安静,暗光的单人病房
【单选题】听力原文:W: Are they closed already? M: Yes, they close at five on Friday. W: Too bad. I can't get the book until the Monday. M: Don't worry! They are open during the weekends. On what day does this conve...
A.
Sunday.
B.
M9nday.
C.
Friday.
D.
Saturday.
【简答题】异步传输是靠 来实现自负定界及字符内比特同步的,适用于低速 终端设备。
【单选题】为使钢轨轴心受力,钢轨不应该竖直布设,而应适当向轨道内侧倾斜。从理论上讲,轨底坡的大小应与轮踏面的斜度相同,但实际上我国铁路采用的轨底坡是( )
A.
1:20
B.
1:30
C.
1:40
D.
1:50
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