1.____Newton started to do experiments,he forgot about the time.(A)Since (B) Once2.We believe in him,so we'd never ____ his honesty.(A) demand (B) question并请说明理由,谢谢

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1.____Newton started to do experiments,he forgot about the time.(A)Since (B) Once2.We believe in him,so we'd never ____ his honesty.(A) demand (B) question并请说明理由,谢谢
1.
____Newton started to do experiments,he forgot about the time.
(A)Since (B) Once
2.
We believe in him,so we'd never ____ his honesty.
(A) demand (B) question
并请说明理由,谢谢

1.____Newton started to do experiments,he forgot about the time.(A)Since (B) Once2.We believe in him,so we'd never ____ his honesty.(A) demand (B) question并请说明理由,谢谢
(B) Once (A)Since是自从(B) Once 是一旦
强调的是经常习惯性动作
(B) question
(A) demand是要求 (B) question本意是问题 也有疑惑的意思
因为相信他所以从不疑惑他的诚实 句意

1.B。since是自从……,从后句看应该不可能出现,once是又一次的意思,符合后句“forgot about the time”的意思
2.B这里question是质疑的意思,而demand是需要的意思,从前句给的条件,应该选B