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【单选题】
在预防饮食安全方面做的不妥当的是( )
A.
购买和食用定型包装食品时,要查看有无生产日期,保质期、生产单位
B.
餐具要卫生,要有自己的专用餐具
C.
在外就餐时,选择较为便宜的无证无照的“路边摊
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【单选题】下列关于宏观经济学流派的说法,错误的是()。
A.
不同流派之间观点会有所冲突
B.
每一理论都隐含一系列假设
C.
不同理论间分歧或冲突的实质是彼此隐含的假设不同、适用的现实经济条件不同
D.
在是否主张政府干预经济这一观点上各流派看法一致
【简答题】怎样简便就怎样算. (1)0.25×(4+0.4)+0.9 (2)0.89×1.25-0.09×1.25 (3)104×0.25 (4)40×0.625+0.375×40.
【单选题】When we came to the gate, he stopped _______ me go in first.
A.
to let
B.
to tell
C.
to allow
D.
to ask
【简答题】口算 40×0.5= 2.48÷0.8= 0.5×1.8= 0.84÷7= 0.54÷0.6= 4÷0.25= 3.9÷39= 0.9×0.9= 6.5÷1.3= 1.5×102=
【简答题】Complete the following summary according to the text. Write no more than three words on each line. In the author’s opinion, the family education on 1. to society exerts a strong influence on both him ...
【简答题】直接写出得数. 0.9×8= 1.1×8= 0.25×4= 0.15×40= 2.5×2= 1.25×8= 0.75×2= 12.5×2=
【简答题】直接写出得数。 2.2-1.7= 0.9×99+0.9= 0.25×40= 400÷25÷8= 10- = ( + )×30=
【简答题】直接写得数。 0.9×99+0.9= 0.25×40= 9.9÷ = 400÷25÷8= 4÷8= - = -0.75-25%= 10- = 1÷ × = 8.75-(3.6+0.75)=
【简答题】(本题满分12分) 已知数列 是首项为1的等差数列,其公差 ,且 , , 成等比数列. (1)求数列 的通项公式; (2)设数列 的前n项和为 ,求 的最大值.
【多选题】Listen to D2 and choose the information you hear. A Steven introduces his friends to Betty. B Both Betty and David like table tennis. C David thinks that climbing mountains is good for health. D Betty...
A.
Steven introduces his friends to Betty.
B.
Both Betty and David like table tennis.
C.
David thinks that climbing mountains is good for health.
D.
Betty suggests that they watch a table tennis match next weekend.
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