如图所示，通过有这个标志的路口时无需减速。
参考答案：错
解析：前方标志为减速让行标志。因此本题是错的。
Brown said he was by no means annoyed; ________, he was glad to be able to make himself clearly
understood. [ ]
A. all in all
B. for one thing
C. on the contrary
D. by the way
日本血吸虫的保虫宿主主要是：（）
A.鸡、鸭等禽类
B.牛、犬、猪等哺乳动物
C.钉螺
D.慢性患者
E.隐性感染者
