根据句意及汉语提示，写出各单词的正确形式，每空一词。

小题1:Where are you going in the Summer holiday? Would you like to go __________(到国外).

小题2:Doing eye exercises is good for you to keep your __________.(视力)

小题3:She is always __________(自豪) of her parents and loves them.

小题4: - Who __________(发明) telephone? - The Englishman Bell did.

小题5:Malaysia Airlines flight MH370 disappeared on March 8. Lots of ____(家庭) wanted to hear good news.

传感器能感知的输入变化量越小，表示传感器的（）。

A.线性度越好

B.迟滞越小

C.重复性越好

D.分辨力越高