偏重中央测光
参考答案:
偏重中央测光又称中央重点测光,他的侧光读数是一取景画面一定面积的被摄体亮度为主,其余部分景物的亮度为辅,这种一定面积多数位于画面中央或中央偏下。
Bayfield Shopping Coupons(赠券)
小题1:What do you do to get a 10% discount at Tom’s Bookstore?
A.Spend $100.
B.Choose two books.
C.Buy some toys.
D.Present coupon No. 3.小题2:A second shirt will cost after you buy one at $180.
A.$180.
B.$168.
C.$90.
D.Nothing.小题3:If you drive to Bayfield Shopping Center, which coupon might be most useful?
A.Coupon No. 5.
B.Coupon No. 2.
C.Coupon No. 4.
D.Coupon No. 1.小题4:What are these advertisements about?
A.Things to do in a store.
B.Things on sale in a store.
C.Great fun at a shopping center.
D.Special offers at a shopping center.
轻度高血压患者首选的药物是()
A.血管紧张素转换酶抑制剂
B.B受体阻断剂
C.利尿药
D.钙拮抗剂
E.中枢性降压药