（2004，9）甲从乙处购买一批货物，未支付货款，甲把该批货物卖给丙，同时与丙约定，丙应向乙支付货款。如果丙未向乙支付货款，则（）责任。
A. 甲应向乙承担
B. 丙应向乙承担
C. 甲和丙各承担一半
D. 甲承担主要责任，丙承担次要责任
Which of the following statements is TRUE
A. They had to stand under the pressure three times the force of gravity.
B. Ten days later in the test, they had to spend other twenty days in bed.
C. During the whole test, they suffered backaches and other discomfort.
D. Some of the women suffered great loss of calcium.
根据赫茨伯格的需要理论，以下能够产生激励作用的需要是( )。
A. 生理需要
B. 安全需要
C. 社交需要
D. 尊重需要
According to the passage, ______.
A. the women stayed together during the whole test
B. most of the women taking part in the test are very active.
C. before the test, the women enjoyed smoking and drinking.
D. all the women taking part in the test traveled to space at last
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