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【单选题】
The offer is firm subject to your reply ( ) here on or before July 1".
A.
reaching
B.
reached
C.
reaches
D.
reach
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【单选题】下列关于水平对称振子方向性函数(方向图)的说法正确的是【】。
A.
无论地面为何种形态,沿地面方向的辐射始终为零。
B.
架设高度一定时,指定仰角下的水平归一化方向图与自由空间对称振子的方向图相同。
C.
架设高度要根据通信距离进行选择。
D.
架设高度越低,波瓣数越多。
【单选题】乘坐轮船时,购买儿童半价票的儿童的身高是在( )之间.
A.
1.1~1.4米
B.
1.1~1.3米
C.
1.1~1.35米
D.
1.1~1.45米
【简答题】某经济中,消费函数为C=600+0.8Y, (注:本题不考虑税收和转移支付),投资函数为I=400-50r,政府购买为200;货币需求函数为L=0.5Y+250-125r,名义货币供给量为1250,价格水平为1。计算下列结果: IS曲线方程为:Y=( )— ( )r LM曲线方程为:Y=( )+ ( )r 产品市场和货币市场同时均衡时,均衡收入为( ...
【简答题】任务性阅读。 It's a picture of a small room. There is a girl in it. Her name is Sally. It's her room. There is a bed and a desk in her room. What's that on the wall? It's a map of England. Next to the map w...
【简答题】有下列四个命题: (1)函数 为偶函数;       (2)函数 ; (3)已知集合 , ,若 ,则实数 的取值集合为 ; (4)集合 ,对应法则f:“求平方根”,则 是A到B的映射;你认为正确命题的序号是 (把正确的序号都写上).
【简答题】根据短文内容和首字母提示,在空白处填入适当的单词。 Tom's bedroom is very small. There is a nice guitar in his room n 1 the window. There is a desk near the window, too. It's big and nice. A clock is o 2 the desk. N 3 to the c...
【单选题】The U.S. Air Force pays a Turkish citizen $30,000 to work on a U.S. base in Turkey. As a result,
A.
U.S. government purchases increase by $30,000; U.S. net exports decrease by $30,000; and U.S. GDP is unaffected.
B.
U.S. government purchases increase by $30,000; U.S. net exports are unaffected; and U.S. GDP increases by $30,000
C.
U.S. government purchases, net exports, and GDP are unaffected.
D.
U.S. government purchases are unaffected; U.S. net exports decrease by $30,000; and U.S. GDP decreases by $30,000.
【单选题】胡某在晚上拦路抢劫一行人李某,因李某身上财物不多,胡某十分恼火,拔出匕首想杀死李某。胡某一刀刺中李某腹部后,李倒地连声求饶,胡某心生怜悯,即弃刀而去,李某因失血过多而死。胡某的杀人行为属于:
A.
犯罪既遂
B.
犯罪未遂
C.
犯罪预备
D.
犯罪中止
【多选题】最佳订货批量的公式:Q*=Squat(2DC/H)Squat()函数表示开平方根.R=LT*D,下列表示正确的是
A.
C---每次订货的费用(元)
B.
H---单位库存维持费(元/件.年)
C.
D---需求率(年需求量)(件/年)
D.
LT--为订货提前期
【简答题】J ohn’s house became too big for him after his wife died, so he bou ght a smaller one nearby. There is a very nice old clock in his first house. When some people came to help move a clock, John though...
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