You should consult a doctor before you begin weight lifting or any other physica

游客2025-06-13 2

问题 You should consult a doctor before you begin weight lifting or any other physically______exercise programs.

选项 A、sparing
B、demanding
C、powerful
D、labored

答案 B

解析本题要求选出能在被副词physically修饰的同时，又能修饰exercise programs的形容词，因此，sparing(节约的)或powerful(强大的)等词并不适合成为programs的修饰语。而labored(费劲的)从语义上又不合适。所以正确答案是(B)。

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