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【单选题】
已知圆锥的底面半径为5cm，高线长为12cm，那么圆锥的侧面积是（ ）A.
60πcm 2
B.
56πcm 2
C.
65πcm 2
D.
156πcm 2
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【单选题】听力原文： Today, we discuss one way foreign students earn money while attending graduate school. They can work as teaching assistants. Teaching assistants are known as TA for short. They usually work abou...
A.
To give a lecture to all the students in a large class one or two times a week.
B.
To give tests and read any homework or reports students may be required to write.
C.
To meet individual students seeking help.
D.
To attend teaching meetings.
【单选题】The is to illustrate
A.
a way of scamming.
B.
evil side of human nature.
C.
how economic scams work.
D.
inter-personal mistrust.
【简答题】Traveling can be a fun way to gain life experiences, especially during Spring Break — a week-long school vacation in the United States. But what if you're a student and don't have enough money for a t...
【简答题】用计算器计算下面各题。 (1)30+ 2153= (2)2008 - 1997= (3)6178×205= (4)49×700-700= (5)97×2814= (6)2052÷ (432÷12)= (7)417×(78+31)= (8)4000÷ (379-329)=
【单选题】______this way, one of _____the favorite drinks was invented.
A.
In; world’s
B.
By; world’s C On! World D, To; world
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