汉语、日语、俄语从语法结构上分别属于:()
A.复综语、粘着语、屈折语
B.屈折语、孤立语、粘着语
C.粘着语、孤立语、屈折语
D.孤立语、粘着语、屈折语
参考答案:D
From facts, scientists have_______ that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.
A.confirmed
B.concluded
C.concentrated
D.centered
某工程间接费和间接费率分别为645万元和22%,则直接工程费为( )万元。
A.786.90
B.826.92
C.1148.10
D.2931.82