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【简答题】
高等植物的碳同化途径有几条?哪条途径才具备合成淀粉等光合产物的能力?
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【单选题】认知内驱力属于( )动机
A.
内驱力
B.
自我提高内驱力
C.
外部
D.
内部
【判断题】切削液能将细小的切屑或磨削时从砂轮上脱落的磨粒及时冲走,避免切屑堵塞或划伤工件已加工表面及机床导轨。
A.
正确
B.
错误
【简答题】阅读理解。 Living in a foreign culture can be exciting, but it can also be confusing (令人迷惑的). A group of Americans who taught English in other countries recently discussed their experiences. They decided t...
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【单选题】碳钢中除含有铁、碳元素外,还有少量的硅、锰( )等杂质。
A.
硫、氧
B.
硫、磷
C.
氢、磷
D.
氢、氧
【简答题】____________(首字母是G) is the quality of being more attractive, exciting or interesting than ordinary people or things.
【单选题】旋转矩阵R可被描述为按照特定的次序进行的一系列关于主坐标系x、y和z轴旋转的产物,这些绕着主坐标系x、y和z轴旋转的角度不包含哪种说法。
A.
横滚
B.
俯仰
C.
侧摆
D.
跳跃
【简答题】阅读理解。 Sailing Welcome to our TV show On the Go. Today we are going to talk about an exciting sport-sailing. First let's talk to Sue, an 18-year-old girl who loves sailing. Host: When did you start sai...
【单选题】现浇钢筋混凝土无梁板的工程量应按( )计算
A.
板的体积
B.
板的体积乘以增大系数
C.
板和柱帽的体积之和
D.
板的水平投影面积
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