问题
选择题
—How is Dennis getting along with his work?
—Well, he could always _____ a new idea for increasing sales.
A．call up
B．bring about
C．lead to
D．come up with
答案
答案：D
考查词组：A．call up唤醒，B．bring about产生，C．lead to导致，D．come up with提出，想出，句意是;--Dennis工作进展怎样？--好的，他可以想出增加销售的新想法。选D。
角，小球、物块与车厢均保持相对静止，由此可知
