--- Excuse me! Could you tell me ____________?

--- Sure. Go straight and turn right. It ’s down Bridge Street on your left.

下列关于激素特点的叙述中，正确的是()

--- _______ do you play computer?

--- Once a week, only on Saturday evening.

下列关于生命起源的叙述中错误的是()

--- Whose French book is it?

--- It __________ be Lucy ’s. Look! Her name is on the book!

在越晚近的地层里成为化石的生物()

Mom asked me to _____________ grandpa when she w as out.

下列现象属于特异性免疫的是()

--- How was your vacation in Shanghai?

--- Oh, __________, I can ’t stand it.There were too many people and the weather was too hot.

计划免疫的目的是()