题目内容

According to Figure 1, the oldestglacial advance in this area deposited which of the following till layers？

A. Gray till A
B. Yellow till
C. Olive green and gray till
D. Gray till D

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Which students believe that any of the 6 genes on theplasmid can be the first gene transferred to a recipientbacterium？

A. Students 2 and 3
B. Students 2 and 4
C. Students 3 and 4
D. Students 2, 3, and 4

【原文】半个世纪以来，尤其是改革改革开放以来，由于国民经济发展，人民生活水平提高和医疗条件改善，中国人的预期寿命提高了，死亡率降低了。// 解放初期中国人民的预期寿命是35岁，现在已经到了71岁;那时的死亡率是千分之二十，现在是千分之六。// 我们在人民预期寿命的提高感到高兴，但这也带来了老年人口迅速增长的问题。上前中国的老龄人已超过1亿，并继续以年均3%的速度增长，每年增加2400万老年人。// 到2040年，老龄人口将增长到3。8亿，约占总人口的25.3%，也就是说，每4个中国人中就有一个老人。//中国人口老龄化是在经济不发达的情况下到来的，而且老龄化在地区间的发展也不平衡。

our massage services 2__complete access to the weight

A. as much as
B. as long as
C. as well as
D. as soon as

To: All Management Stafftzmsoft@syscom.com
From: Colin Price, Safety Trainercprice@syscom.com
Subject: Safety Training
Date: June 20 On August 8, we_4_training exercises which will familiarize our staff with the new safety procedures. I need several things from all of you! I would like to know5many of you have had some forms of safety, fire, or first-aid training. I would also appreciate a list of your names, numbers, and a short note on your level and type of training. I also need to know which employees will attend the first phase of the training. Employees who spend most of their time6__in the assembly area should attend the first phase. Please give me your names as soon as possible. There will be a 2-hour introductory meeting prior to the training. Please let us know via e-mail what time is most convenient for you.
Thanks, Colin
we_4___training exercises which will familiarize

A. have started
B. will be starting
C. would have started
D. have been starting