According to the text, which of the following statements is true?
A. One without education today has few opportunities.
B. We have not yet decided on our educational models.
Compulsory schooling is legal obligation in several countries now.
D. Our spiritual outlook is better now than before.
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“剪切”按钮的快捷键是Ctrl+X。 ()。
A. 正确
B. 错误
A.beforeB.previousC.above goingD.former
A. before
B. previous
C. above going
D. former
A.nearB.aboutC.nearbyD.over
A. near
B. about
C. nearby
D. over
渗透试验是一种严密性试验,常用的渗透剂是()。
A. 汽油
B. 柴油
C. 煤油
D. 清洁水