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【多选题】
春节的习俗有哪些A.
贴门神
B.
贴春联
C.
贴“福”
D.
放鞭炮
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举一反三
【简答题】三种无阻塞网络分别是()无阻塞,()无阻塞,()无阻塞。
【单选题】关于脊柱侧弯下面说法正确的是
A.
如果脊柱偏离从枕骨结节至骶骨棘这一条中轴线，并超过20度，即为脊柱侧弯。
B.
特发性脊柱侧弯必须进行手术治疗。
C.
Cobb角小于20度为轻度脊柱侧弯。
D.
Cobb角直接在人体体表上就可以测得。
【多选题】以下关于极限工况下前轴侧滑与后轴侧滑特点的说法中,正确的有( )。
A.
当正弦输入角超过一定数值后，汽车质心侧偏角、前轮侧偏角、后轮侧偏角突然增大，汽车失去稳定性
B.
正弦转角输入下，汽车是否稳定决定于汽车质心侧偏角与汽车侧偏角速度
C.
斜阶跃转向角输入下，随着前轮转角增加，前轮侧偏角加大
D.
斜阶跃转向角输入下，前轮侧偏角达某一角度值后，侧偏力饱和而不再增大，汽车的转向半径不再减小
【多选题】以下关于侧偏特性的说法中,正确的是()。
A.
轮胎应当有高的侧偏刚度绝对值，以保证汽车有良好的操纵稳定性
B.
当侧偏力较大时，侧偏角增长速度较快，曲线斜率逐渐减小
C.
当侧偏力一定时，希望侧偏角越大越好
D.
一般来说，最大侧偏力越大，汽车的极限性能越好
【单选题】Directions: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. Af...
A.
The International Labor Organization's key objective.
B.
The basic social protection for the most vulnerable.
C.
Global economic recovery.
D.
Rising unemployment worldwide.
【单选题】Questions 2 is based on the news report you have just heard.
A.
It became a great attraction for tourists.
B.
It was sent to the animal control department.
C.
It was shot to death by a police officer.
D.
It found its way back to the park’s zoo.
【单选题】Questions 2 is based on the news report you have just heard.
A.
She wanted to show gratitude for his kindness.
B.
She wanted to honor her father's promise .
C.
She had been asked by her father to do so.
D.
She was excited to see her father's handwriting
【单选题】根据世界卫生组织提出的儿童贫血诊断标准6个月至 岁儿童血红蛋白正常值的低限是
A.
80g/L
B.
90g/L
C.
100g/L
D.
110g/L
E.
120g/L
【简答题】负荷曲线是一种反应 的曲线。
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