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【单选题】
心室肌的前负荷是指心室的A.
收缩末期容积
B.
舒张末期压力
C.
等容收缩期压力
D.
等容舒压力
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举一反三
【简答题】用所给词的正确形式填空。 ( talk, help, read, cost, keep, change, do, visit, go, sit) 1. ________ it ________ much to live here? 2. The teacher looked at the clean classroom and said we ________ a good job. 3. The...
【单选题】Select the correctly punctuated sentence.
A.
a)The children's books were all left in the following places: Mrs Smith's room, Mr Powell's office and the caretaker's cupboard.
B.
b)The children's books were all left in the following places; Mrs Smith's room, Mr Powell's office and the caretaker's cupboard.
C.
c)The childrens books were all left in the following places: Mrs Smiths room, Mr Powells office and the caretakers cupboard.
D.
d)The children's books were all left in the following places, Mrs Smith's room, Mr Powell's office and the caretaker's cupboard.
【单选题】Hostility to Gypsies has existed almost from the time they first appeared in Europe in the 14th century. The origins of the Gypsies, with little written history, were shrouded in mystery. What is know...
A.
are engaged in traditional crafts
B.
call themselves Roma
C.
live under a clan system
D.
face external threats
【简答题】Passage 3 This Sunday is Grandpa’s 70th birthday. The Smiths are going to celebrate it, so they will have a busy weekend. Saturday Morning Dad — clean the car in the garden Mom — clean the kitchen ...
【单选题】I can’t remember the exact date when ___ Smiths came to see him, but it was ____Sunday.
A.
a, the
B.
the, a
C.
a, a
D.
the, the
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