小题1:If you lose (丢失) a set of keys, you can call _________.

A．Jack

B．Miller

C．Lily

D．Mo Yan小题2: Miller lost his ________.

A．keys

B．book

C．bike

D．basket小题3:.Lily is from _________.

A．No. 2 Middle School

B．Class 6, Grade 7

C．Building 2

D．Class 7, Grade 6小题4: Frog is ________.

A．a kind of bike

B．a kind of key

C．a kind of animal

D．a name of a book小题5:Which one is true (正确的)?

A．Jack lost a set of keys

B．Miller found a book.

C．There is a toy bear on the bike.

D．Lily lost a book.

热量从高温物体，以热射线方式传至低温物体的传播过程，称为（）。

A.发热

B.散热

C.辐射

D.对流