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【单选题】
质量为m的质点,在变力【图片】(【图片】和 k 均为常量)作用下沿ox轴作直线运动,若已知t = 0时,质点位置坐标【图片】,速度为【图片】,且力的方向和初速度方向一致,则质点的运动学方程为
A.
B.
.
C.
.
D.
.
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【简答题】根据短文内容和所给汉语提示,写出短文空白处各单词的正确形式。(每空限填一词) I’m Du Yufan. I’m in Class One, Grade Seven at Dashan school. My school is not 小题1: (大的). You can see 小题2: (仅仅)three classrooms in it. Look, this is my classroom...
【单选题】凌先生,29岁,既往有哮喘史。因外出春游出现咳嗽、咳白色黏痰伴喘息1天入院。护理体检:体温36.5°C,脉搏90次/分,呼吸28次/分,血压120/80mmHg,双侧肺部可闻及广泛哮鸣音。若病人进一步表现为发绀明显、端坐呼吸、大汗淋漓持续24小时,经一般舒张支气管药物治疗后症状不缓解。应判断为
A.
轻症哮喘
B.
中症哮喘
C.
重症哮喘
D.
左心衰竭
E.
右心衰竭
【单选题】“即期付款交单”的英文是
A.
D/A at sight
B.
D/P after sight
C.
D/P at sight
D.
D/A after sight
【单选题】即期付款交单的英文是( )。
A.
D/P At Sight
B.
D/P After Sight
C.
Telegraphic Transfer
D.
Mail Transfer
【简答题】A: Please don’t eat in the classroom. B: I’m sorry. Could you ________that? A: Yes. Don’t eat in the classroom. B: Oh, OK. ______.
【单选题】下列哪个短语是“即期付款交单”?
A.
D/P at sight
B.
D/A at sight
C.
D/P after sight
D.
D/A after sight
【简答题】根据短文内容,完成下列任务。 Hello!  My name is David. I’m in Class 3, Grade 7. Here (1)___ our classroom. Thirty-two desks and thirty-two chairs  (2) __ in it. Some bags are on the desks. Some books are in the bag...
【单选题】He ______ be in the classroom, I’m sure.
A.
can’t
B.
may not
C.
mustn’t
D.
shouldn’t
【单选题】In a classroom Teacher: Can you follow what I’m saying? _____________________________3
A.
Yes, I follow you.
B.
Sorry, I can’t.
C.
I’m sorry to hear that.
D.
No, I don’t follow you.
【简答题】即期付款交单(D/P at sight)和远期付款交单(D/P after sight)在哪两个地方存在不同? 2. 汇付、托收和信用证这三种支付方式当中,属于商业信用的是什么?属于银行信用的是什么?
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