仔细观察如图漫画，写出你的感受。

世界大战给人类带来力量巨大的灾难。下面关于两次世界大战的史实，搭配不正确的是（    ）

汽车内燃机汽缸内汽油燃烧时，气体体积膨胀推动活塞对外做功．已知在某次对外做功的冲程中，汽油燃烧释放的化学能为1×10³J，因尾气排放、汽缸发热等对外散失的热量为8.0×10²J，该内燃机的效率为____．随着科技的进步，可设法减少热量的损失．则内燃机的效率能不断提高．其效率____（选填“有可能”或“仍不可能”）达到100%．

⑴Who can help me?   ____                     A、Because it's going to be sunny.

⑵Why are you wearing a hat?____         B、I'm cleaning my room.

⑶When was your brother born?____     C、I want a hamburger, please.

⑷What are you doing?  ____                  D、In 2001.

⑸What do you want to eat?____            E、Sorry, I can't.