It does not matter whether or not they will ask you.You can say no also. Furthermore, your H4 is based on H1, it allows you to have intend to immigrant to America.
令外我可以帶小孩進取簽麽,她不用,不知是否可以增加簽成的機會。
It is not necessary because you already put her or his information in your form.
還有,140的批準對我獲得簽證是有正麵效應呢還是負麵效應。再次感謝。
It is different way. No affection to your H4.