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【单选题】
听力原文：M: Wendy, could you send a memo to all of our contract employees? W: Absolutely. What's it about? M: Management has decided on a new payment system. From now on, I'd like everyone to send us an invoice for their work based on the same format. I'll send you the invoice template to attach to the e-mail. This way, everyone's pay statements will look the same. W: That's a great idea. I know there's been some confusion with that. I'll send a copy to the accounting department as well, just so they know that the memo's been sent. What system is being changed?A.
Payment.
B.
Retiring.
C.
Hiring.
D.
E-mail.
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举一反三
【单选题】( ) was elected as the chairman of the Constitutional Convention.
A.
Abraham Lincoln
B.
George Washington
C.
Benjamin Franklin
D.
Alexander Hamilton
【单选题】单从(1)来看，人体大部分是水造的。水占人体重量的60％至70％。(2)看来似乎很结实的骨头，也大约有20％是水，而血浆所含的水分则占95％。 人体中这个盐水海的水流经所有血管和人体内的每个细胞。人体(3)部分如果缺了它，便不能(4)。 (1)
A.
身高
B.
体重
C.
皮肤
D.
肌肉
【单选题】The contradiction that arose at the Constitutional Conference of 1787 was contradiction between______.
A.
big states and small states
B.
industrial-commercial interests and landed interests
C.
one house or two houses for Congress
D.
both A and B
【单选题】7个月婴儿腹泻失水占体重的9%，四肢发凉，皮肤发花，血压下降。血钠132mmol/L，CO 2 CP力13.2mmol/L．第一天静脉补液哪项更恰当（）。
A.
总补液量为150ml/kg
B.
静脉快速滴入1/2张含钠液20ml/kg
C.
补累计损失量的速度为5ml/（kg.h）
D.
第一小时静脉推注5%碳酸氢钠5ml/kg
E.
静脉输入10%葡萄糖液、抗生素
【简答题】在图中所示平面机构中，杆AB=40cm，以ω1=3rad/s的匀角速度绕A轴转动，而CD以ω2=1rad/s绕B轴转动，BD=BC=30cm，图示瞬时AB⊥CD。若在AB固结动系，则此时D点的牵连速度的大小为 cm/s【图片】
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