问题 选择题

如图所示:电流表A1示数为0.2A,A2示数为0.5A,则电流表A3示数为(  )

A.0.7A

B.0.2A

C.0.5A

D.0.3A

答案

(1)由电路图知:灯L1与L2并联,电流表A1测灯L1的电流,

电流表A2测灯L2的电流,电流表A3测干路电流;

(2)由并联电路特点知,电流表A3的示数IA3=I1+I2=0.2A+0.5A=0.7A;

故选A.

单项选择题

Valentine’s Day was the time my father chose to show his love for the special people in his life. Over the years I fondly thought (31) him as my "Valentine man".

My first recollection of the magic he could bring to Valentine’s Day came when I was six. That morning at the breakfast table I found a card and a gift-wrapped package at my chair. The card was (32) "Love, Dad" and the gift was a ring with a small piece of red glass to represent my birthstone, a ruby.There is (33) difference between red glass and rubies to a child of six, and I remember wearing that ring with pride that all the cards in the world (34) not surpass.

As I grew older, the gifts gave (35) to heart-shaped boxes filled with my favorite chocolate and always included a (36) card signed "Love,Dad". In those years my thank-you became more of a perfunctory response. The cards seemed less (37) , and I took for granted that the Valentine would always be there. I had (38) my hopes and dreams in receiving cards and gifts from "significant others" and "Love, Dad" just didn’t seem quite enough.His final card remains on my desk today. It’s a (39) of how special fathers ean be and how important it has been to me over the years to know that I had a father who continued a tradition of love with simple acts of understanding and an ability to express happiness over the people in his life.Those things never (40) , nor does the memory of a man who never tried being my Valentine.

36()。

A. usual

B. common

C. strange

D. speecral

单项选择题

2011年上半年,天津市新批三资企业328家,比上年同期下降3.8%;合同外资额90.35亿美元,增长10.0%;实际使用外资72.34亿美元,增长22.3%。其中,新批合同外资1000万美元以上项目89个;合同外资79.4亿美元,增长7.2%,占全市合同外资总量的87.9%;实际使用外资54.3亿美元,增长20.7%,占全市实际使用外资总量的75%。

截至上半年,全市累计批准三资企业22572家,累计合同外资额1293.13亿美元,累计实际使用外资743.5亿美元。在批准建立的三资企业中,有正常生产经营活动的企业5934家,其中,出口型企业1291家。从投资方式看,合资经营的企业1855家,合作经营的企业154家,外商独资经营的企业3887家,外方股份公司38家。从投资的行业看,投资第一产业的15家,投资第二产业的3671家,投资第三产业的2248家。

上半年,全市三资企业完成总产值3311.21亿元,比上年同期增长12.4%;实现营业收入4064.8亿元,增长19.1%;出口创汇141.91亿美元,增长16.7%;实缴税金325.15亿元,增长34.7%;实现利润211.31亿元,下降1.6%。在全市三资企业中,盈利企业3935家,增长4.4%,盈利额263.16亿元,增长3.2%。

根据所给材料判断,以下说法不正确的是()

A.2010年上半年,天津市合同外资额为82.14亿元

B.2011年上半年,天津市实际利用外资额环比增加的月份有4个

C.2011年上半年,天津市有正常生产经营活动的三资企业占全市累计批准三资企业的26.3%

D.2011年上半年,天津市三资企业实现第三产业营业收入689.4亿元