已知抛物线 $y=x^2-x-1$ ，与 $x$ 轴的一个交点为 $\text{(m}，0)$ ，则代数式 $m^2-m+2016$ 的值为（   ）

下列各句中，没有语病的一句是（    ） 

下列关于细菌繁殖的叙述，正确的是（   ）

氢气（H₂）、一氧化碳（CO）、辛烷（C₈H₁₈）、甲烷（CH₄）的热化学方程式分别为：
H₂(g)+1/2O₂(g)=H₂O(l)  △H=－285.8 kJ/mol
CO(g)+1/2O₂(g)=CO₂(g)  △H=－283.0 kJ/mol
C₈H₁₈(l)+25/2O₂(g)= 8CO₂(g)+9H₂O(l)  △H=－5518 kJ/mol
CH₄(g)+2O₂(g)=CO₂(g)+2H₂O(l)  △H=－890.3 kJ/mol
相同质量的H₂、CO、C₈H₁₈、CH₄完全燃烧时，放出热量最少的是               

根据对话内容，从方框内选择恰当的句子将对话补充完整。选项中有两项是多余的。

(Ted and Bob are having breakfast.)

Ted：Hi, Bob! Eating fried chicken？ ____

Bob：Eggs and milk? I don't want to have them every day.____

Ted：But don't have too much unhealthy food.____

Bob：OK. I won't. By the way, I find some students throw away eggs and milk.

Ted：That's too bad ____

Bob：Yes. But what do you think we can do?

Ted： ____

Bob：Let's have a try，then we may have different kinds of food every day.

A. it's bad for your health B. it's delicious D. Can we do something to stop it? C. How about asking our teacher to E. I want something delicious F. aren't the eggs and the milk enough? G. Why not advise our school to prepare different kinds of food?