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【单选题】
瞳孔直径的正常范围A.
1.5-2.5 mm
B.
2.5-4.5 mm
C.
4.5-6.5 mm
D.
5.5-6mm
E.
6-7mm
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A.
75 guests.
B.
50 guests.
C.
30 guests.
D.
25 guests.
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【单选题】On June 11th, 2013, Shenzhou-10 carrying three astronauts into space from the space center in Jiuquan. All the Chinese people are proud of its successful launch.
A.
sent up
B.
are sent up
C.
was sent up
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