皮皮学，免费搜题
登录
搜题
【单选题】
18) Suppose there is an increase in consumer confidence. Which of the following represents the complete list of variables that must increase in response to this increase in consumer confidence?A.
consumption and output
B.
consumption and investment
C.
consumption, investment and output
D.
consumption, output and the interest rate
E.
consumption
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】She can't help ____the housework because she is busy with her homework.
A.
to
B.
with
C.
out
D.
off
【单选题】行车过程中，乘客所携带的行李物品、货车装载的货物等，如果摆放和装载的位置、方法不合适，会对车内人员人身安全及行车安全带来一定风险。下列选项，不属于车内物品的不安全因素的是（）。
A.
放置在椅子下的行李部分露出，绊倒乘客
B.
放在行李架上的物品掉落，砸伤乘客
C.
装载的货物重心过高
D.
客车地板湿滑