在观测混凝土构件的裂缝时，将测量仪器交替布置在梁的受拉区段，如出现下列何种情形，则证明开始开裂。（）

Decision on whether the message is right or wrong should at least come after _____what the message is.

When you're_____ a crisis, it often helps to talk to someone.

She has no hostility to us, _____can be judged from her eyes。

The sad condition of women working as house servants around the world received much media_____early this year.

I don ’ t need any help at the moment,but I _____your offer.

Not until recently_____that Thompson had ben telling the truth all along.

We_____knowledge from our families,schools,jobs,and the mass media.

He blamed his poor performance_____jet lag.

I'd like to remind you that there is no_____on the part of suspects to answer questions.