阅读下面有关“touch词组”的短文，了解这些词组的不同含义，然后从方框中选出合适的词组，将其字母序号填入71～75的空格中，使句子意思正确。

小题1:—I didn’t get the job. —Oh，________！

小题2: I often ________ with my friends by chatting on QQ.

小题3: If someone has “________”，he is very good at making money.

小题4: Last night the football team needed just one more ________ to win the game.

小题5:The mobile phone doesn’t work，because something is wrong with the ________.

胚胎抗原的特点是（）。

A.胚胎期产生，出生后完全消失

B.仅以分泌形成存在

C.在宿主体内抗原性极弱

D.在宿主体内抗原性较强

E.仅以膜结合形式存在