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读图，完成1—4题。 1、此时，对于北半球而言，这一天是 [ ] A．春分日 B．夏至日 C．秋分日 D．冬至日 2、此时太阳直射在哪一条纬线上 [ ] A．0°纬线 B．23．5°S C．23．5°N D．66．5°S 3、北半球昼夜长短变化情况是 [ ] A．昼夜等长 B．昼长夜短 C．昼短夜长 D．出现极昼现象 4、此时，北极圈内出现 [ ] A．极昼现象 B．极夜现象 C．阳光直射 D．昼夜平分
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【单选题】A question that health conscious consumers may ask when buying produce is whether they are free of pesticides. But currently, there is no federal standard for pesticide free 'organically grown' foods ...
A.
there is really no organically grown produce yet
B.
some foods are falsely labeled
C.
some states are slow in making laws concerned
D.
each state should stop certifying certain foods
【单选题】When the sentence 'We are paying close attention to young consumers.' is turned into passive voice, which of the following is CORRECT?
A.
Close attention is being paid to young consumers.
B.
Close attention is being paid by us.
C.
Young consumers are being paid close attention.
D.
Young consumers are paid close attention to.
【单选题】What does the professor mean when she says this:
A.
Consumers prefer buying goods that are well made.
B.
Consumers have the right to vote to elect their leaders.
C.
Consumers use their money like votes when they buy goods.
D.
Consumers and voters are both manipulated by advertising.
【简答题】B： What is important when…? Maintaining the popularity of a product among consumers ·High quality ·Discounts · ·
【单选题】Why does a decrease in prices cause an increase in demand?
A.
Consumers buy fewer goods when prices are low.
B.
Producers make fewer goods when prices are low.
C.
Producers make more goods when prices are high.
D.
Consumers buy more goods when prices are low.
【单选题】When it ______ advertising, consumers need to be educated about techniques used by advertisers. [ ]
A.
comes up
B.
comes about
C.
comes out
D.
comes to
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