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【单选题】
速度越大,飞机的稳定性( )。
A.
越好
B.
越差
C.
不发生变化
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【多选题】我国艾滋病流行呈现三大趋势
A.
流行范围广,地区差异大
B.
发病和死亡依然严重
C.
主要传播方式是血液传播
D.
疫情从高危人群向一般人群传播
【判断题】两点透视是画面与建筑物的高度方向的棱线平行,而与另外两组棱线的方向倾斜,此时,长度方向和宽度方向的棱线各有一个灭点。
A.
正确
B.
错误
【单选题】下列对牛生物学特性描述不正确的是( )
A.
喜食酸甜味饲料
B.
采食时不经仔细咀嚼就咽下
C.
皱胃能分泌消化液
D.
瘤胃是饲料消化和吸收的重要器官
【单选题】The education reform plan took one year and nine months to draw up, _____ public opinions were called for,
A.
to which
B.
during which
C.
from which
D.
from whom
【单选题】Nokia, the world's largest mobile phone maker, said that over the first nine months of the year it _____ 23 million handsets in China, an increase of 77 percent _____ the same period a year ago.
A.
sold; comparing with
B.
has sold; compared to
C.
had sold; compared to
D.
was selling; compared with
【单选题】—How old are you? —I’m nine ____________ old.
A.
year         
B.
years        
C.
year’s
【单选题】手术中同侧人员需换位,正确的是:
A.
前后移动
B.
面对面移动
C.
背对背移动
D.
更换手术衣后移动
E.
面对背移动
【单选题】Rose told her father that she wanted a new bike.
A.
Nine-year-old
B.
Nine-years-old
C.
Nine year old
D.
Nine years old
【单选题】轨道动力稳定车的最大轴重是( ) t。
A.
A22
B.
B 23
C.
C 24
D.
D25
【单选题】轨道动力稳定车的最大轴重是()t。
A.
22
B.
23
C.
24
D.
25
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