某集团总公司为其子公司与某钢厂的钢材买卖合同在1000万元的限度内提供连带保证，并委

--We all know that paper is made ________ wood.

-- Yes, we can also say that wood can be made ________ paper.

A．of, from

B．of, into

C．from, into

D．from, of

Liping has never gone to Japan, but he speaks Japanese____ he were Japanese.

A．even if

B．as though

C．even so

D．as long as

砂浆用砂不得含有有害杂物。砂浆用砂的含泥量应满足下列要求：（）。

A.对水泥砂浆和强度等级不小于M5的水泥混合砂浆，不应超过5%

B.对强度等级小于M5的水泥混合砂浆，不应超过15%

C.人工砂应经试配能满足砌筑砂浆技术条件要求

D.山砂及特细砂应经试配能满足砌筑砂浆技术条件要求

既能清热平肝，又能息风止痉的药物是（）

A.鸡血藤

B.首乌藤

C.钩藤

D.雷公藤

E.络石藤

少渣膳食要点是（）

A.蔬菜、水果不限制

B.少用调味品

C.选用含纤维少的食物

D.少用动物油

E.注意烹调方法