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【单选题】
According to the passage, what is one major component of Jupiter?
A.
Hydrogen cyanide.
B.
Methyl cyanide.
C.
Hydrogen.
D.
Ammonia.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】What did Columbus bring back on his second trip?
A.
Fried potatoes.
B.
Tomato juice.
C.
Sweet corn.
D.
Chocolate beans.
【单选题】以前有几项研究表明，食用巧克力会增加食用者患心脏病的可能性。而一项最新的、更为可靠的研究得出的结论是：食用巧克力与心脏病发病率无关。估计这项研究成果公布以后，巧克力的消费量将会大大增加。 上述推论基于以下哪项假设?( )。
A.
尽管有些人知道食用巧克力会增加患心脏病的可能性，却照样大吃特吃
B.
人们从来也不相信进食巧克力会更容易患心脏病的说法
C.
现在许多人吃巧克力是因为他们没有听过巧克力会导致心脏病的说法
D.
现在许多人不吃巧克力完全是因为他们相信巧克力会诱发心脏病
【单选题】According to the speaker ,why were log cabins especially popular to settlers who moved west?
A.
They could easily build the log houses themselves,
B.
They could construct the houses from kits.
C.
They liked the cozy atmosphere of the log interior.
D.
They wanted homes that could be transported.
【单选题】Mary is 18 years old this year;she______ 19 next year.
A.
will be
B.
is to be
C.
is going to be
D.
should be