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【单选题】
下列每组数据库中，哪一组四个数据库全部都收录学位论文？A.
PQDT 知网 万方 NSTL
B.
EBSCO 知网 万方 NSTL
C.
Springer 知网 维普 CALIS
D.
PQDT EBSCO 维普 NSTL
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反馈参考答案：
举一反三
【简答题】云计算既是一种新的 ,又是一种新的 。
【简答题】简述小学教育科学研究的基本方法。
【单选题】The boy is going to be a(n) _______ when he grows up, because he wants to be a person like yang liwei. [ ]
A.
pilot
B.
engineer
C.
actor
D.
computer programmer
【简答题】简述教育科学研究的基本方法。
【简答题】1. Name of caller: Sofia ________ Office number: ________Department: ________Phone number: ________Technician appointment time: ________
【单选题】When gold prices become more volatile, the ________ curve for gold shifts to the ________; ________ the price of gold.
A.
supply; right; increasing
B.
supply; left; increasing
C.
demand; right; decreasing
D.
demand; left; decreasing
【简答题】一元线性回归(名词解释)
【单选题】What is the main idea of this passage?
A.
Gold prices are very volatile.
B.
Gold prices may drop further.
C.
Gold is a perfect inflation hedge.
D.
Predicting gold prices is very difficult.
【单选题】I am very sorry __________ speaking to you but I did call your office number and left you a message.
A.
to be missed
B.
missing
C.
missed
D.
to miss
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