Many scientists remain ______ about the value of this research program.

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问题 Many scientists remain ______ about the value of this research program.

选项 A、sceptical
B、stationary
C、spacious
D、specific

答案A

解析 be skeptical about不肯相信的;常怀疑的。stationary不动的;静止的,固定的;不可移动的。spacious(房间或建筑物)宽敞的。specific具体的,特有的,特定的。
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