[单项选择]They have gone to Xi' an. ______ you ever _______ there before


A. Have... been
B. Have... gone
C. Do... go

[单项选择]They have gone to Xi' an. ______ you ever _______ there before


A. Have... been
B. Have... gone
C. Do... go

[单项选择]I would have gone shopping with you, but I （） so tired that I went to bed quite early.
A. were
B. had been
C. was
D. have been

[单项选择]Have you ever stopped to think seriously how many of the things used in your everyday life are made by the hard work of thousands of people（）
A. 你日常生活中所用的东西有多少是经过了成千上万人的辛勤劳动才做出的，你有没有停止对这个问题的认真思考
B. 你是否曾经停下来严肃地想一想，你在日常生活中所使用的东西有多少是经过成千上万人的辛勤劳动才做出的
C. 你有没有停下来认真地想过，你口常使用的东西有多少是经过了成千上万人的辛勤劳动才做出的
D. 你有没有停下来认真思考，日常用品中有哪些是经过了成千上万人的艰辛劳动才做出的

[单项选择]Have you ever bought something just because the salesmen _________ it
A. talked you from
B. talked you into
C. talked you in
D. talked to

[单项选择]

Passage Two
Have you ever been startled by a loud noise or by someone appearing suddenly behind you on dark night or by a snake in the grass Do you remember the sudden, tight feeling in your chest, the way your heart started go pound, the way you seemed to breathe more rapidly Such reactions occurred because you were frightened. Your brain sent a signal to the special gland (腺) in your body caned the adrenal (肾上的) gland. Other parts of your body were involved, too, but the adrenal gland has a very special function.
The adrenal gland is located on top of your kidney. Since you have two kidneys. You also have two adrenal glands. Each adrenal gland is divided into two parts: a cortex(外皮) and a medulla (髓质). The cortex forms the outer shell; the medulla forms the central core. Both the cortex and the medulla secrete (分泌) hormones, but they have different functions.
The cortex produces more than forty different chemical compounds and hormones. All these
A. The adrenal gland is located on top of the kidney.
B. Each kidney is composed of two adrenal glands.
C. The medulla is inside the cortex.
D. The cortex and the medulla have different functions.

[单项选择]Have you ever been in a situation ______ you know the other person is right yet you cannot agree with him


A. by which
B. that
C. in where
D. where