[多项选择]焊接变压器的二次侧与焊件相连的一端必须接零或接地与焊钳相连的一端不能（）
A. 重复接地
B. 接零
C. 防雷措施
D. 或接地

[A] The rise of a tycoon who is fond of America and South Africa, and who prints English slogans on his bottles of milk and mineral water, is a snub to Mr. Ratsiraka. The president, who has dominated politics since 1975—with a few years’ absence in the mid-1990s—steers close to France, the former colonial power. He has been unwell, and spends much of his time having medical treatment in Paris. His government, predictably, is accused of widespread corruption. But he offers stability—and declares that "any other president" would usher in years of uncertainty.
[B] Mr. Ratsiraka might indeed feel aggrieved ff he did lose power just as the economy is coming right. After a two-decade spell as a socialist, then a few years of exile, he bounced back into the presidency in 1996 to impose austere neo-liberal reforms. These are now paying off. Many people are still desperately badly off, living in villages without roads, electricity or doctors. But, according