下列检查属于有创性的是 A．SPECT B．超声心动图 C．心电图 D．Holter

—Oh, Mrs. Ming, your dress looks nice. Is it new?

—No, I _____ it since two years ago. [ ]

A. had

B. bought

C. have had

D. have bought

An individual borrows $200000 to buy a house with a 30-year mortgage requiring payments to be made at the end of each month. The interest rate is 8 percent, compounded monthly. What is the monthly mortgage payment（）

A. $ 1480.46.

B. $ 1467.53.

C. $ 2142. 39.

绑扎导线用的绑线，直径不应小于（）mm．

A.1.5

B.2

C.3.2

D.4.0

DZ03G-1磁力锁的最大防推拉力度为（）公斤级。

A.500

B.280

C.240

D.200

在驾驶训练中，（）学员双手同时离开转向盘驾驶。

A.允许

B.不允许

C.路况好时允许