水泥混凝土路面板分二次摊铺混凝土时，下部摊铺厚度宜为总厚的（）。A.3／4B.3／5C

He______ at his watch and then looked at the sky.

A．scanned

B．skimmed

C．glanced

D．glimpsed

The old professor had such a bad memory that he looked for the watch while he is ______ .

A．having it on

B．having on it

C．wearing it

D．putting it on

A．looked up

B．looked for

C．looked at

D．looked down

A、with his back

B、on his back

C、his back

D、on his stomach

When he looked into the audience,he caught ________ of his mother nodding to him.

A.sign

B.sight

C.glow

D.head

He looked so honest that we accepted his story ______ true.

A．for

B．near

C．as

D．like

Hard work and malnutrition ______ his health and he looked thin and pale.

A．impaired

B．promoted

C．accelerated

D．wedged

Why did the Italian take off his watch and give it to the Frenchman？

A．Because he had taken the watch from the Frenchman.

B．Because he had picked up the watch on his way from work.

C．Because he was afraid of the Frenchman.

Why did the Italian take off his watch and give it to the Frenchman？

A．Because he had taken the watch from the Frenchman.

B．Because he had picked up the watch on his way from work.

C．Because he was afraid of the Frenchman.