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【单选题】
以天文学家爱德温·哈勃的名字命名的哈勃太空望远镜,于1990年4月25日由美国航天飞机送上太空轨道,在大气层以外以( )km的时速环绕地球运行。
A.
2.8万
B.
1.8万
C.
0.8 万
D.
0.4 万
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举一反三
【单选题】. ______the zoologists tried to prove was that the photo of the South China Tiger had been staged or technologically dealt with.
A.
That
B.
Why
C.
Whether
D.
What
【单选题】亚硝酸盐食物中毒的机制是
A.
巯基酶失活
B.
溶血作用
C.
卟啉代谢障碍
D.
胆碱酯酶活性被抑制
E.
亚铁血红蛋白氧化成高铁血红蛋白
【多选题】环境保护税法中所称的应税污染物是指( )。
A.
大气污染
B.
水污染物
C.
固体废物
D.
噪声
【单选题】Going to South Africa for the World Cup makes me ____,for I am a football fan. [     ]
A.
relaxed
B.
relaxing
C.
excited
D.
exciting
【单选题】When they got to the South Pole, they found the Norwegians had ____ them in the race to be the first ever to reach it.
A.
hit
B.
fought
C.
won
D.
defeated
【简答题】请你简单总结今天用到了哪些特效和训练中自己存在的困难和问题,只有说出来才能进步和运用团体的力量哦。
【单选题】Tommy had had a three-mile drive north _____ he could turn and head back south.
A.
while
B.
as
C.
before
D.
after
【单选题】_______ snacks and drinks, but they brought cards for entertainment when they had a picnic in South Bank Parklands.
A.
Not only they did bring
B.
Not only did they bring
C.
Not only brought they
D.
Not only they brought
【单选题】建筑模数不包括
A.
基本模数
B.
模数数列
C.
分模数
D.
扩大模数
【多选题】环境保护税法中所称的应税污染物是指( )。
A.
大气污染物
B.
水污染物
C.
固体废物
D.
噪声
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