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【多选题】
铝制零件表面的裂纹缺陷可以用（ ）来检验。A.
目视一光学检测法
B.
渗透检测法
C.
磁粉检测法
D.
磁塞检测法
E.
涡流检测法
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Alice has gone to the classroom and she didn’t say ________.
A.
when did she come back
B.
when would she be back
C.
when she came back
D.
when she would be back
【单选题】She didn’t say ________ the next day.
A.
What will he go
B.
what he will do
C.
what he would do
D.
what would he do
【单选题】Even when she didn’t say anything you could see her turning things in her mind.
A.
up
B.
over
C.
out
D.
down
【简答题】____________ (disappoint) at the results, she didn’t say a word.A. Disappointed
【单选题】Even when she didn’t say anything you could see her _________________ in her mind.
A.
turning things up
B.
turning things down
C.
turning things aside
D.
turning things over
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