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【单选题】
用5台GPS接收机进行同步观测，可以解算出来几条基线？其中有几条是独立的？A.
可以解算出5条基线，其中有4条是独立的
B.
可以解算出10条基线，其中有5条是独立的
C.
可以解算出15条基线，其中有5条是独立的
D.
可以解算出来10天基线，其中有4条是独立的
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反馈参考答案：
举一反三
【单选题】— What do you want for breakfast, Mike? — I think I _______ some bread and milk.
A.
am going to have
B.
had
C.
will have
D.
am having
【单选题】—Whose shirt is this? Is it ________, Mike? —No, it isn’t. I think it’s ________.
A.
yours, Jack’s
B.
yours, Jack
C.
your, Jack’s
【单选题】—Mike, you’ve got a “D” in physics. ________? —Well. I find the subject hard and I think I’ll drop it for History next term.
A.
What if
B.
How come
C.
Why not
D.
So what
【单选题】一 Mike, you've got a 'D' in physics. — _____? 一 Well. I find the subject hard and I think I'll drop it for History next term. [ ]
A.
What if
B.
How come
C.
Why not
D.
So what
【简答题】I think _____ is a famous actor. [ ] A .she B. Mike C. Ann D. Gina
【单选题】— The little boat is ______ safe . Don't you think so, Mike ? — No worries! I've on this boat dozens of times. [ ]
A.
something but
B.
nothing but
C.
anything but
D.
everything but
【单选题】已知 Ag = Ag + + e , ψ Θ (Ag + /Ag)= 0.7991V ,则 2Ag = 2Ag + + 2e 的 j y (Ag + /Ag) 为
A.
-0.7991V
B.
0.7991V
C.
-1.60V
D.
1.60V
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