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在我县南城区某工程招标时，有甲、个工程队投标．经测算：甲队单独完成这项工程需要60天；若由甲队先做20天，剩下的工程由甲、做24天可完成． （1）乙队单独完成这项工程需要多少天？ （2）甲队施工一天，需付工程款3.5万元，乙队施工一天需付工程款2万元．若该工程计划在70天内完成，在不超过计划天数的前提下，是由甲队或乙队单独完成该工程省钱？还是由甲队全程合作完成该工程省钱？
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【单选题】听力原文：(A) Three people are on the plane. (B) The people are getting off the train. (C) The workers are out of stationery. (D) No one is wearing a hat.
A.
B.
C.
【单选题】听力原文：(A) People are going down the steps to the show. (B) All the people are in their uniforms. (C) There are many chairs arranged in rows. (D) The stairs lead to a bridge.
A.
B.
C.
【简答题】Nowadays the people are enjoying a more comfortable life and many people are suffering from obesity(肥胖)．Thus，losing weight becomes very popular． 小题1: ，weight reducing is a tricky(难处理的)topic．Some peopl...
【单选题】What does it mean by 'the most vulnerable people in the world'?
A.
The people are from the poor country and they do not have much status in America.
B.
The people are not rich and do not know much about the laws.
C.
The people are not good at English, thus easily cheated.
D.
The people are illiterate and poor.
【多选题】下列说法哪些是错误的()。
A.
放大电路中输出的电流和电压都是由有源元件提供的
B.
电路中各电量的交流成分是交流信号源提供的
C.
由于放大的对象是变化量，所以当输入信号为直流信号时，任何放大电路的输出都毫无变化
D.
只要是共射放大电路，输出电压的底部失真都是饱和失真
【单选题】听力原文：(A) Some of the people are dancing. (B) People are marching in the same direction. (C) All of the people are holding pickets. (D) One man is packing his luggage.
A.
B.
C.
D.
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