【简答题】简便计算. (1)9.26-(4.38+2.26) (2)52×76+47×76+76 (3) 29 97 x99.
【单选题】That young man in one unit described his car as the “Bomb”, which means___ _.
D.
His car is like a bomb.
【简答题】102×76=100×76+2______.
【单选题】下列关于NEC合同具有的特点中,描述错误的是( )
A.
合同分为4种,包括工程施工合同、工程施工分包合同、专业服务合同、裁判者合同
B.
合同条件订立合同时均是基于合同双方相互合作的理念制定的
C.
合同中提供4种计价方式方便业主和承包商根据实际情况选择最适合的付款机制
【单选题】UNIT 3 PART 2 SECTION B TASK 3 Listen to the introduction about autonomous cars. Q: Which car drives itself but also allows you to control it?
A.
A semi-autonomous car.
【单选题】自动往返控制电路属于( )电路。A.自锁控制 B.点动控制 C.正反转控制 D.顺序控制